Features:Helmets Intercom at 800 meters: Use helmets intercom headphones to experience seamless communication while riding a motorcycle. Enjoy a real-time conversation with a distant ride partners without Shouting. Easily share your trip on motorcycles.1000mAH large battery: Built-in 1000mAh battery, support a full charge of continuous work for 32 hours. You can do audio and charging through a port on the walkies-talkie, avoiding messy cable connections.Signal stability: The motorcycle headset uses noise reduction technology to effectively reduce disconnection and noise caused by interference in the 2.4GHz band.IP67 Waterproof: Helmets intercom Bluetooth headset adapted to most weather conditions, IP67 waterproof and dust-free. Suitable for most open, modulars and full-cover helmets that can withstand harsh conditions such as dust, rain, storms, snow and low temperatures. Ideal for motorcycle and snowmobile drivers.CVC noise reduction: The graphene vibration unit ensures a comfortable wearing experience. CVC noise reduction takes sound quality to the another level. With a professional noise-cancelling chip, the person on the phone seems to be speaking near you.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementDescription:Size:One SizeSoft (for full helmets and uncovered helmets)Hard (for half-helmets and three-quarter helmets)