● Bluetooth Standard: Bluetooth V2.0 class 2 
● Wireless Frequency: 2.40~2.480GHz
● Sensitivity: <-80dbm
● Transmission range:10m
● Talking Time: Up to 5 hrs
● Standby Time: Up to 150 hrs
● Charging Time: About 3 hrs
● Battery: Li-Battery
● Compatible with various Bluetooth enabled devices such as mobile phones,PDAs and Computers
● Stereo
● Dimensions: 55 .0*24.0 x 27.0 mm
● Net Weight: 20.1g