The Havit HV-H2558BT stereo wireless Headphone having an Impedance of 32ohm and a frequency of 20Hz-20kHz. This very lightweight of 135gm headphone has 106dB of Sensitivity. Its Bluetooth Version 2.0 interface can cover up to 10 meters of distance.
Frequency Range: 20Hz-20kHz
Input Jack: 3.5mm