• ★【TAIL LIGHT FOR TURN】Tail light Wireless turn signals for left or right LED signals. Now you can ride in increased safety without the need for a bevy of accessories. The bike helmets glow with the turn signals for your safe. Helmet fits most head sizes 21.65-24 inch (55- 61cm) comfortably.
• ★【SOS Alert】Timely Rescue in Case of Accidents. When the unexpected happens, helmet emergency signals turned on, SOS signals sent to your emergency contacts on impact immediately via LIVALL RIDING APP. It is not recommended to wear on rainy days, or you can wear helmet cover.
• ★【BLUETOOTH BIKE HELMET SPEAKER】Quality stereo sound, high quality tone or sound effect. Bicycle helmet built-in Bluetooth Speakers and Windbreak Microphone secure your safety while listen to your music and answer phone calls. Easily communicate with your fellow cyclists using the Walkie-Talkie function when riding in a group.(Due to the official reason of Apple's mobile phone, the voice function will be limited in the system which is above 10.3, and the intercom function may not work properly!)
• ★【SMART BLING JET CONTROLLER】It can be attached to your handlebar. It allows you to easily control other part via it. You can remain stable and focused with the Bling Jet during the riding. Using Bling Jet Controller, you can control the colored LED tail-lights, music player, take photos and record videos.
• ★【DESIGN FOR EXPERIENCE】We are the Real Brand Licensor. LIVALL smart bike helmet with utility model patent certificate and design patent certificate. LIVALL bike helmet with bluetooth, super comfortable and with great ventilation and lightweight. Overall, the LIVALL smart bike helmet would be a good choice for you.