Type: Wireless headphone
Bettery: 400mA
Driver Unit: 40 mm
Function: volumn control, pause/
Play device, MIC unction
Stead by time: 100 hours
Play time: 18 hours
Frequency Response: 20 Hz-20KHz
Cord length: 1.2 m#10%
Connector: 3. 5 mm stereo plug
Sensitivity: 114db/mW