Remax RB-T9 HD Voice Bluetooth Earphone Handsfree

Bluetooth: V4.1 Battery Type:Polymer Lithium Battery Capacity:100mAh Battery Talk time:about 6 hours Time:about music 5 hours Time:up to180 hours Stand-by Bluetooth Distance: 10m Charging Voltage: 5V Working Voltage: 3.7V Material: ABS+PC