Livall O2 Alps 8Sp Smart Road Bike Bicycle Outdoor Sport & Recreation - Medium, White (51.5CM)

The Alps Riding Bike Synchs to the Livall Bling series helmets and includes connectivity to the Bling Jet (remote control), Nano Cadence Sensor, and Phone Holder/Recharger. The Combination of the Alps and a Livall Smart Helmet provides the ultimate riding experience. THE AMAZING THINGS THAT YOU CAN DO WITH THE LIVALL SMART BICYCLE HELMET Tail Light Function: With wireless remote to control the turn signals to let people behind you see where you are going Music Player Function: With the built-in Bluetooth speakers, you can listen to songs and control them with the LIVALL Bling Jet Bluetooth Wireless Controller (Controller Included) Walkie-Talkie Function: Can communicate with others by walkie-talkie. Size Guide: Small: 5'3"-5'7" Medium: 5'7"-5'11" Large: 5'11"-6'4"