Up to 15 meters distance! " CSR chipset " Version 1.2 22 hours talk time and 600 hours standby time color changeable Compatible with all Bluetooth Cellular Phone
MBH-C2.1 Bluetooth Headset
Up to 15 meters distance! " CSR chipset" Version 1.2 6 hr talk time and 140 hr standby time Nameplate and color changeable Compatible with all Bluetooth Cellular Phone
Up to 15 meters distance! 
