Wireless Headphones - with microphone, headset, around the ears, closed construction, 3,5mm Jack, Bluetooth 5.1, for PC, supports A2DP, AVRCP, HFP, HSP and SBC, voice Assistant, track shuffle, taking calls, with volume control, frequency range: 20 Hz-20000 Hz, impedance: 32 Ohm, converter: 40mm, removable cord length of 1,2m, battery life of up to 25 hr(s)