Gaming Headphones - wireless, with microphone, True Wireless pits, Bluetooth 5.1, for PC, supports A2DP, AVRCP, HFP and HSP, voice Assistant, track shuffle, taking calls, frequency range: 20 Hz-20000 Hz, sensitivity: 107 dB/mW, impedance: 32 Ohm, converter: 13mm, battery life of up to 70 hr(s) (3 hr(s)+6 hr(s))