Type : Wireless headphone with cable
Battery : 200mah
Driver unit : 40 mm
Function: Volume control , pause / Play device, MIC function
Standby time : 100 hours
Frequency response : 20 HZ -20KHz
Cable length : 1m +-10%
Connector : 3.5mm stereo plug
Sensitivity : 114db/mW
Audio Source : Communication equipment