This is the start of the stable review cycle for the 5.10.119 release.
There are 163 patches in this series, all will be posted as a response
to this one. If anyone has any issues with these being applied, please
let me know.
Responses should be made by Sun, 29 May 2022 08:46:26 +0000.
Anything received after that time might be too late.
The whole patch series can be found in one patch at:
https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.10.119-r…
or in the git tree and branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y
and the diffstat can be found below.
thanks,
greg k-h
-------------
Pseudo-Shortlog of commits:
Greg Kroah-Hartman <gregkh(a)linuxfoundation.org>
Linux 5.10.119-rc1
Edward Matijevic <motolav(a)gmail.com>
ALSA: ctxfi: Add SB046x PCI ID
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: check for signals after page of pool writes
Jens Axboe <axboe(a)kernel.dk>
random: wire up fops->splice_{read,write}_iter()
Jens Axboe <axboe(a)kernel.dk>
random: convert to using fops->write_iter()
Jens Axboe <axboe(a)kernel.dk>
random: convert to using fops->read_iter()
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: unify batched entropy implementations
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: move randomize_page() into mm where it belongs
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: move initialization functions out of hot pages
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: make consistent use of buf and len
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: use proper return types on get_random_{int,long}_wait()
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: remove extern from functions in header
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: use static branch for crng_ready()
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: credit architectural init the exact amount
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: handle latent entropy and command line from random_init()
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: use proper jiffies comparison macro
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: remove ratelimiting for in-kernel unseeded randomness
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: move initialization out of reseeding hot path
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: avoid initializing twice in credit race
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: use symbolic constants for crng_init states
Jason A. Donenfeld <Jason(a)zx2c4.com>
siphash: use one source of truth for siphash permutations
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: help compiler out with fast_mix() by using simpler arguments
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: do not use input pool from hard IRQs
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: order timer entropy functions below interrupt functions
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: do not pretend to handle premature next security model
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: use first 128 bits of input as fast init
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: do not use batches when !crng_ready()
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: insist on random_get_entropy() existing in order to simplify
Jason A. Donenfeld <Jason(a)zx2c4.com>
xtensa: use fallback for random_get_entropy() instead of zero
Jason A. Donenfeld <Jason(a)zx2c4.com>
sparc: use fallback for random_get_entropy() instead of zero
Jason A. Donenfeld <Jason(a)zx2c4.com>
um: use fallback for random_get_entropy() instead of zero
Jason A. Donenfeld <Jason(a)zx2c4.com>
x86/tsc: Use fallback for random_get_entropy() instead of zero
Jason A. Donenfeld <Jason(a)zx2c4.com>
nios2: use fallback for random_get_entropy() instead of zero
Jason A. Donenfeld <Jason(a)zx2c4.com>
arm: use fallback for random_get_entropy() instead of zero
Jason A. Donenfeld <Jason(a)zx2c4.com>
mips: use fallback for random_get_entropy() instead of just c0 random
Jason A. Donenfeld <Jason(a)zx2c4.com>
riscv: use fallback for random_get_entropy() instead of zero
Jason A. Donenfeld <Jason(a)zx2c4.com>
m68k: use fallback for random_get_entropy() instead of zero
Jason A. Donenfeld <Jason(a)zx2c4.com>
timekeeping: Add raw clock fallback for random_get_entropy()
Jason A. Donenfeld <Jason(a)zx2c4.com>
powerpc: define get_cycles macro for arch-override
Jason A. Donenfeld <Jason(a)zx2c4.com>
alpha: define get_cycles macro for arch-override
Jason A. Donenfeld <Jason(a)zx2c4.com>
parisc: define get_cycles macro for arch-override
Jason A. Donenfeld <Jason(a)zx2c4.com>
s390: define get_cycles macro for arch-override
Jason A. Donenfeld <Jason(a)zx2c4.com>
ia64: define get_cycles macro for arch-override
Jason A. Donenfeld <Jason(a)zx2c4.com>
init: call time_init() before rand_initialize()
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: fix sysctl documentation nits
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: document crng_fast_key_erasure() destination possibility
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: make random_get_entropy() return an unsigned long
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: allow partial reads if later user copies fail
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: check for signals every PAGE_SIZE chunk of /dev/[u]random
Jann Horn <jannh(a)google.com>
random: check for signal_pending() outside of need_resched() check
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: do not allow user to keep crng key around on stack
Jan Varho <jan.varho(a)gmail.com>
random: do not split fast init input in add_hwgenerator_randomness()
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: mix build-time latent entropy into pool at init
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: re-add removed comment about get_random_{u32,u64} reseeding
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: treat bootloader trust toggle the same way as cpu trust toggle
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: skip fast_init if hwrng provides large chunk of entropy
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: check for signal and try earlier when generating entropy
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: reseed more often immediately after booting
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: make consistent usage of crng_ready()
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: use SipHash as interrupt entropy accumulator
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: replace custom notifier chain with standard one
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: don't let 644 read-only sysctls be written to
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: give sysctl_random_min_urandom_seed a more sensible value
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: do crng pre-init loading in worker rather than irq
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: unify cycles_t and jiffies usage and types
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: cleanup UUID handling
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: only wake up writers after zap if threshold was passed
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: round-robin registers as ulong, not u32
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: clear fast pool, crng, and batches in cpuhp bring up
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: pull add_hwgenerator_randomness() declaration into random.h
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: check for crng_init == 0 in add_device_randomness()
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: unify early init crng load accounting
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: do not take pool spinlock at boot
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: defer fast pool mixing to worker
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: rewrite header introductory comment
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: group sysctl functions
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: group userspace read/write functions
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: group entropy collection functions
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: group entropy extraction functions
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: group crng functions
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: group initialization wait functions
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: remove whitespace and reorder includes
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: remove useless header comment
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: introduce drain_entropy() helper to declutter crng_reseed()
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: deobfuscate irq u32/u64 contributions
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: add proper SPDX header
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: remove unused tracepoints
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: remove ifdef'd out interrupt bench
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: tie batched entropy generation to base_crng generation
Dominik Brodowski <linux(a)dominikbrodowski.net>
random: fix locking for crng_init in crng_reseed()
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: zero buffer after reading entropy from userspace
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: remove outdated INT_MAX >> 6 check in urandom_read()
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: make more consistent use of integer types
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: use hash function for crng_slow_load()
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: use simpler fast key erasure flow on per-cpu keys
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: absorb fast pool into input pool after fast load
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: do not xor RDRAND when writing into /dev/random
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: ensure early RDSEED goes through mixer on init
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: inline leaves of rand_initialize()
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: get rid of secondary crngs
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: use RDSEED instead of RDRAND in entropy extraction
Dominik Brodowski <linux(a)dominikbrodowski.net>
random: fix locking in crng_fast_load()
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: remove batched entropy locking
Eric Biggers <ebiggers(a)google.com>
random: remove use_input_pool parameter from crng_reseed()
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: make credit_entropy_bits() always safe
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: always wake up entropy writers after extraction
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: use linear min-entropy accumulation crediting
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: simplify entropy debiting
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: use computational hash for entropy extraction
Dominik Brodowski <linux(a)dominikbrodowski.net>
random: only call crng_finalize_init() for primary_crng
Dominik Brodowski <linux(a)dominikbrodowski.net>
random: access primary_pool directly rather than through pointer
Dominik Brodowski <linux(a)dominikbrodowski.net>
random: continually use hwgenerator randomness
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: simplify arithmetic function flow in account()
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: selectively clang-format where it makes sense
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: access input_pool_data directly rather than through pointer
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: cleanup fractional entropy shift constants
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: prepend remaining pool constants with POOL_
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: de-duplicate INPUT_POOL constants
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: remove unused OUTPUT_POOL constants
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: rather than entropy_store abstraction, use global
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: remove unused extract_entropy() reserved argument
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: remove incomplete last_data logic
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: cleanup integer types
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: cleanup poolinfo abstraction
Schspa Shi <schspa(a)gmail.com>
random: fix typo in comments
Jann Horn <jannh(a)google.com>
random: don't reset crng_init_cnt on urandom_read()
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: avoid superfluous call to RDRAND in CRNG extraction
Dominik Brodowski <linux(a)dominikbrodowski.net>
random: early initialization of ChaCha constants
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: use IS_ENABLED(CONFIG_NUMA) instead of ifdefs
Dominik Brodowski <linux(a)dominikbrodowski.net>
random: harmonize "crng init done" messages
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: mix bootloader randomness into pool
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: do not re-init if crng_reseed completes before primary init
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: do not sign extend bytes for rotation when mixing
Jason A. Donenfeld <Jason(a)zx2c4.com>
random: use BLAKE2s instead of SHA1 in extraction
Sebastian Andrzej Siewior <bigeasy(a)linutronix.de>
random: remove unused irq_flags argument from add_interrupt_randomness()
Mark Brown <broonie(a)kernel.org>
random: document add_hwgenerator_randomness() with other input functions
Jason A. Donenfeld <Jason(a)zx2c4.com>
lib/crypto: blake2s: avoid indirect calls to compression function for Clang CFI
Jason A. Donenfeld <Jason(a)zx2c4.com>
lib/crypto: sha1: re-roll loops to reduce code size
Jason A. Donenfeld <Jason(a)zx2c4.com>
lib/crypto: blake2s: move hmac construction into wireguard
Jason A. Donenfeld <Jason(a)zx2c4.com>
lib/crypto: blake2s: include as built-in
Eric Biggers <ebiggers(a)google.com>
crypto: blake2s - include <linux/bug.h> instead of <asm/bug.h>
Eric Biggers <ebiggers(a)google.com>
crypto: blake2s - adjust include guard naming
Eric Biggers <ebiggers(a)google.com>
crypto: blake2s - add comment for blake2s_state fields
Eric Biggers <ebiggers(a)google.com>
crypto: blake2s - optimize blake2s initialization
Eric Biggers <ebiggers(a)google.com>
crypto: blake2s - share the "shash" API boilerplate code
Eric Biggers <ebiggers(a)google.com>
crypto: blake2s - move update and final logic to internal/blake2s.h
Eric Biggers <ebiggers(a)google.com>
crypto: blake2s - remove unneeded includes
Eric Biggers <ebiggers(a)google.com>
crypto: x86/blake2s - define shash_alg structs using macros
Eric Biggers <ebiggers(a)google.com>
crypto: blake2s - define shash_alg structs using macros
Herbert Xu <herbert(a)gondor.apana.org.au>
crypto: lib/blake2s - Move selftest prototype into header file
Jason A. Donenfeld <Jason(a)zx2c4.com>
MAINTAINERS: add git tree for random.c
Jason A. Donenfeld <Jason(a)zx2c4.com>
MAINTAINERS: co-maintain random.c
Eric Biggers <ebiggers(a)google.com>
random: remove dead code left over from blocking pool
Ard Biesheuvel <ardb(a)kernel.org>
random: avoid arch_get_random_seed_long() when collecting IRQ randomness
Lorenzo Pieralisi <lorenzo.pieralisi(a)arm.com>
ACPI: sysfs: Fix BERT error region memory mapping
Andy Shevchenko <andriy.shevchenko(a)linux.intel.com>
ACPI: sysfs: Make sparse happy about address space in use
Hans Verkuil <hverkuil-cisco(a)xs4all.nl>
media: vim2m: initialize the media device earlier
Sakari Ailus <sakari.ailus(a)linux.intel.com>
media: vim2m: Register video device after setting up internals
Willy Tarreau <w(a)1wt.eu>
secure_seq: use the 64 bits of the siphash for port offset calculation
Eric Dumazet <edumazet(a)google.com>
tcp: change source port randomizarion at connect() time
Paolo Bonzini <pbonzini(a)redhat.com>
KVM: x86/mmu: fix NULL pointer dereference on guest INVPCID
Vitaly Kuznetsov <vkuznets(a)redhat.com>
KVM: x86: Properly handle APF vs disabled LAPIC situation
Denis Efremov (Oracle) <efremov(a)linux.com>
staging: rtl8723bs: prevent ->Ssid overflow in rtw_wx_set_scan()
Daniel Thompson <daniel.thompson(a)linaro.org>
lockdown: also lock down previous kgdb use
-------------
Diffstat:
Documentation/admin-guide/kernel-parameters.txt | 6 +
Documentation/admin-guide/sysctl/kernel.rst | 22 +-
MAINTAINERS | 2 +
Makefile | 4 +-
arch/alpha/include/asm/timex.h | 1 +
arch/arm/include/asm/timex.h | 1 +
arch/ia64/include/asm/timex.h | 1 +
arch/m68k/include/asm/timex.h | 2 +-
arch/mips/include/asm/timex.h | 17 +-
arch/nios2/include/asm/timex.h | 3 +
arch/parisc/include/asm/timex.h | 3 +-
arch/powerpc/include/asm/timex.h | 1 +
arch/riscv/include/asm/timex.h | 2 +-
arch/s390/include/asm/timex.h | 1 +
arch/sparc/include/asm/timex_32.h | 4 +-
arch/um/include/asm/timex.h | 9 +-
arch/x86/crypto/Makefile | 4 +-
arch/x86/crypto/blake2s-glue.c | 166 +-
arch/x86/crypto/blake2s-shash.c | 77 +
arch/x86/include/asm/timex.h | 9 +
arch/x86/include/asm/tsc.h | 7 +-
arch/x86/kernel/cpu/mshyperv.c | 2 +-
arch/x86/kvm/lapic.c | 6 +
arch/x86/kvm/mmu/mmu.c | 6 +-
arch/x86/kvm/x86.c | 2 +-
arch/xtensa/include/asm/timex.h | 6 +-
crypto/Kconfig | 3 +-
crypto/blake2s_generic.c | 158 +-
crypto/drbg.c | 17 +-
drivers/acpi/sysfs.c | 23 +-
drivers/char/Kconfig | 3 +-
drivers/char/hw_random/core.c | 1 +
drivers/char/random.c | 3035 +++++++++--------------
drivers/hv/vmbus_drv.c | 2 +-
drivers/media/test-drivers/vim2m.c | 22 +-
drivers/net/Kconfig | 1 -
drivers/net/wireguard/noise.c | 45 +-
drivers/staging/rtl8723bs/os_dep/ioctl_linux.c | 6 +-
include/crypto/blake2s.h | 66 +-
include/crypto/chacha.h | 15 +-
include/crypto/drbg.h | 2 +-
include/crypto/internal/blake2s.h | 123 +-
include/linux/cpuhotplug.h | 2 +
include/linux/hw_random.h | 2 -
include/linux/mm.h | 1 +
include/linux/prandom.h | 23 +-
include/linux/random.h | 100 +-
include/linux/security.h | 2 +
include/linux/siphash.h | 28 +
include/linux/timex.h | 10 +-
include/net/inet_hashtables.h | 2 +-
include/net/secure_seq.h | 4 +-
include/trace/events/random.h | 330 ---
init/main.c | 13 +-
kernel/cpu.c | 11 +
kernel/debug/debug_core.c | 24 +
kernel/debug/kdb/kdb_main.c | 62 +-
kernel/irq/handle.c | 2 +-
kernel/time/timekeeping.c | 15 +
lib/Kconfig.debug | 3 +-
lib/crypto/Kconfig | 23 +-
lib/crypto/Makefile | 9 +-
lib/crypto/blake2s-generic.c | 6 +-
lib/crypto/blake2s-selftest.c | 33 +-
lib/crypto/blake2s.c | 81 +-
lib/random32.c | 16 +-
lib/sha1.c | 95 +-
lib/siphash.c | 32 +-
lib/vsprintf.c | 10 +-
mm/util.c | 32 +
net/core/secure_seq.c | 4 +-
net/ipv4/inet_hashtables.c | 28 +-
net/ipv6/inet6_hashtables.c | 4 +-
security/security.c | 2 +
sound/pci/ctxfi/ctatc.c | 2 +
sound/pci/ctxfi/cthardware.h | 3 +-
76 files changed, 1865 insertions(+), 3035 deletions(-)
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If you would like to purchase one of our chairs, send us your address
for shipment using, the package will be ready.
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Specification:
Tilt Locking mechanism 90 to 180 degrees angle adjuster
Height adjustable gas spring cylinder
Sturdy five star base
Easy to move with color caster wheels
Orthopedically and ergonomically designed
Premium pu leather material
Headrest pillow and lumbar cushion are included
Load capacity up to 300 lbs
Dimension:
Sitting height: 17.7 to 20.9 inch
Backrest dimension: 22.5 x 30.5 inch
Note: Be sure to install the product according to the instruction.
Thanks,
Jeff Howard
The Office Chair Distribution
Hi,
We are electric scooter and electric bike manufacturer and distributor.
Our products are exported to more than 40 countries and regions, such
as North America, the USA, Europe and the Middle East. we have EU and
USA warehouse for fast delivery. We have steadily gained market
recognition in recent years, thanks to our quality manufacturing and
good credit standing. Our main advantages are high quality, prompt
delivery time. We have a professional R&D team and strict QC process
testing. In the field of consumer electronics market, we have never
stopped our innovation of new ideas.
This electric scooter can speed up to 19 mph, travel range of maximum
40 miles per charge, and max load of 220 lbs. Come with a powerful 500W
motor that can allow the electric scooter climb to 20% slope.
Newly Long-range Battery: Equipped with a high-capacity(48V 11.6AH)
battery, this electric scooter can travel up to 40 miles per charge,
the longest range of city commuting e scooter.
Great for city commuting.
Safety and Comfortable Commuting: this electric scooter features a
front-wheel mechanical drum brake and a rear regenerative e-brake to
enhance safety.
The front and rear wheels are equipped with 10-inch air-filled tires to
ensure max comfort, even on bumpy roads.
Easy to Fold: It can be folded quickly in 3 seconds (folded size:
44.1*18.9*20.9 inches, unfolded size: 44.1*18.9*48.2 inches). It can be
carried on public transportation, easily stored in car
trunks/elevators/subway, and other compact spaces.
If you would like to purchase one of our e-scooters. Please reply to
our email and let us know your address in details for shipment, we will
get it ready for you.
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Smart Technology: Bigger and smarter LED display shows speed, battery
life, riding mode, headlights, and cruise control.
500W Powerful Motor
Features a 500W motor for strong power output, MAX speeds up to 19 mph,
max slope of 20%, max travel range of 40.4 miles under specific
conditions, max road 220lbs.
Portable Design
Hiboy S2 MAX electric scooter easy to fold in 3 seconds (folded size:
44.1*18.9*20.9 inches, unfolded size: 44.1*18.9*48.2 inches), easy
storage in car trunks/elevators/subway and other compact spaces.
10-inch Air-filled Tire
Smooth 10-inch pneumatic tires to absorb bumps, ensuring max comfort,
max road 220lbs.
Smart Technology: Bigger and smarter LED display shows speed, battery
life, riding mode, headlights, and cruise control.
Riding safely in dark environments with ultra-bright headlight, and
smart rear light design improves more visibility. One-Click turns
on/off the headlight.
If you would like to purchase one of our e-scooters. Please reply to
our email and let us know your address in details for shipment, we will
get it ready for you.
Thanks,
Jeremy Dyson
The E-Scooter Distribution
