Main features：

Model:RB-T9
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
Transmitted Power: Class 2
Working Frequency: 2.402-2.480GHz
Package Included:
1X RB-T9 Bluetooth
1X User manual
1X Charging cable