Smart4u MTB R55 Cycling Bicycle Back Lamp Helmet Outdoor 6 LED Warning Light Smart Motorcycles Helmet SOS Alert Walkie Talkie

This smart helmet with 6 LED warning light will bring you a happy riding experience.

Features:
- Bluetooth phone, one button answer
- Stereo speaker, proving you a safe and pleasant riding environment
- 6 high-brightness LED warning lighting beans, making this smart helmet a safe companion even in the late night
- SOS trigger, contacting your emergency contacts immediately
- High-quality material, comfortable and breathable
- Built-in 450mAh super large polymer battery
- Connecting riding APP, making your life easier

Note:
Shell Size: 55 - 59cm