Gaming Headphones - wireless, with microphone, True Wireless earplugs, closed construction, Bluetooth 5.2, radio frequency connection, supports A2DP, AVRCP, HFP and HSP, track shuffle, taking calls, with volume control, frequency range: 10 Hz-20400 Hz, sensitivity: 106,5 dB/mW, impedance: 32 Ohm, converter: 12mm, battery life of up to 33 hr(s) (10 hr(s)+23 hr(s))