Features: - 900mAH battery, can last 13-16 hours for a full charge - No interference, transmission speed up to 80-100km/h - High-fidelity Bluetooth music and voice call transmission - Bluetooth version 5.0 - Communication distance Bluetooth: 10 meter oacute;w - Rider to Rider Intercom distance: 1200 meter oacute;w - Passer-by communication - Intercom grouping for up to 6 riders - Anti-noise microphone - FM radio - Digital noise reduction function oacute;w CVC -Audio Integration -GPS Audio Integration -Working time: about 20 hours -Online Update. - Function: 6 Riders group intercom, FM Radio, music sharing, rider intercom up to 1200m, voice command. The package comes with: S8 Bluetooth headset * 1 Mounting package * 1 Detachable earphones for easy installation and removal * 1 Type-C charging cable * 1 Soft microphone * 1 (For full face helmet) Hard microphone * 1 (For open face helmet /p oacute;ł face) English User Manual * 1