NOLAN N-COM B902 X motorcycle intercom for NOLAN helmets, set for 1 helmet

Design Product color: Black Efficiency iOS Compatible: Yes Automatic volume control: Yes Bluetooth version: 4.1 Device software updates: Yes Bluetooth profiles: A2DP, AVRCP Android Compatible: Yes Package contents Number of pieces: 1 Battery Rechargeable battery: Yes Battery type: Lithium USB charging: Yes Talk time: 15 h Safety warning Warnings Keep away from children. Check the condition of the batteries regularly to prevent leakage. Do not use near heat or fire sources.