Xiaomi Smart4u Helmet. 100% Original and brand new. Comes in official Chinese box.
- EPS inner material and PC outer materials for durable use
- Suitable for the head circumference ( 54 - 58cm ) to wear
- 7 high-brightness LED warning light sets with the automatic light-sensing function for you to use at night
- IPX4 waterproof design for you to wear on rainy days
- Powered by 3.7V / 4555mAh Li-ion battery ( included in product ) for 3 hours charging time
- Suitable for the teenager, adult, etc.