Product Details

Xiaomi Smart4u Smart Cycling Helmet
- Automatic sensor light
- Brake warning light
- Magnetic charging
- Auto power off

- Personalised LED
- Automatic brake warning light
- Automatic power off

Safe
No matter how late, your safety is guarded by us. Xiaomi helmet has active warning, passive protection, and smart flashing helmet, that helps you to ride safely at night.


A very functional & nice looking helmet
With a simple design, the smooth brim on the helmet brings you a harmonious appearance. You can use this helmet for bicycles, scooters, electric bikes & hoverboards. Besides, this helmet is specially designed based on the shape of asian’s head to fit comfortably on your head.
*note: Xiaomi Smart4u Smart Cycling Helmet is not suitable for motorcycle.




Automatic Sensor LED Warning Light
Xiaomi smart cycling helmet has 7 high-brightness LED warning lights, with automatic light-sensing function, which can turn on or standby-mode according to the darkness level. The lampshade adapted mirror polishing technic which allows up to 180 meters visibility distance, makes riding experience safe and secure.
- Auto-Light Sensor
- Mirror polished lampshade
*The above data from Smart4u is based on a typical city night environment, the practical experience varies depends on environmental difference or error.

Automatic brake warning, further enhance your safety
The LED taillights will automatically glare for about 2 seconds when the built-in sensor detects a significant deceleration, to alert the vehicle driving behind you. Xiaomi helmet is a smart helmet and always cares for you.

One button control multiple light modes
You can change a variety of light flashing modes with just one button, the light will start flashing when the light-sensor detects darkness around the environment. Besides, there is a bright flashing mode, tidal mode, strobe mode, etc.


2 Hours of Charging for 2 Weeks of Use
It is a convenient magnetic USB charging design. The helmet allows 180 long hours of standby mode and 36 hours of battery life. With magnetic USB charging interface design, makes charging so simple and convenient.
- Magnetic USB Charging
- Long Hour Standby
- 36 Hours Battery Life



Automatic power off function
Xiaomi helmet adapted automatic power-off function which the helmet will turn off if not used after 20 minutes.

Twelve Ventilation Holes & Inner Airduct Design
The more vents it has, the higher the efficiency of ventilation and air dry the sweats, but it will reduce the protection ability. Therefore, we introduced the aerodynamic concert and adapted 12 ventilation holes, keeps you safe and dry at the same time.


Safe Integrated Design
The outer shell is made of PC material, and the inner part is made of PSI-205T high-density EPS material. The integrated design enhanced the impact resistance ability, gives you a safer ride.


Anti-splash design, suitable for all kinds of weather
Xiaomi helmet adapted IPX4 anti-splash design, allows you to use under the rain for a short time. For your safety, do not use it for a long time.
*Waterproof test report number: AGC03815180503CR01
- IPX4 Waterproof
- Suitable for any weather



Comfort shows in every detail
- Smooth brim
- Multi-position adjustment knob
- Thick sweat absorbent lining
- Integrated active controlling design

Xiaomi Helmet has passed the international, European and American safety standard
Under 150k times of button pressing test, -40°C to 55°c temperature impact test, 24 hours of salt spraying test, 50°C high working temperature and -10°C low working temperature test, the helmet has passed the international, European and American safety standard.
- 150K times - Button endurance test
- -40°C to 55°C - Temperature impact test
- 24 Hours - Salt Spray Test
- 50°C / -10°C -High / Low working temperature test
International test report number: SZHH0125159S1
European test report number: SZHH01260865S1
American test report number: SZHH01260857S1


- Auto light-sensor LED flash
- Auto brake warning light
- Auto power-off
- Long hour standby
- Magnetic USB charging
- IPX4 Splash-proof

Head Size Dimension
L size suitable for circumference 57-61cm and head width ≤ 16.6cm
M size suitable for circumference 54-58cm and head width ≤ 15.5cm
Head Size Measurement
Use a measurement tape and measure from your forehead (above the brow bone) to the back of the raised point and back to your forehead including your hair (as shown in the picture)

Head Width Measurement
Use a ruler and measure between two points of the maximum width above your ears, lightly put the ruler on your skin.

- Model
-
SH50
- Material
-
EPS+PC
- Weight
-
360g (M size) 370g(L size)
- Head Circumference
-
54-58cm (M size) 57-61cm(L size)
- Size
-
- (M size) Length
-
275mm Width: 214mm Height:159mm
- (L size) Length
-
282mm Width:224mm Height:160mm
- Flashing Mode
-
Normal, Strobe and Fast Flash
- Battery
-
3.7V 455mAh
- Consistency
-
26-36 Hours (Lights On)
- Standby
-
180 days
- Charging Time
-
3 Hours
- Electrical Parameters
-
DC 5V/1A