Wireless Headphones - with microphone, True Wireless pits, closed construction, Bluetooth 5.2, supports AAC, aptX and SBC, active noise control (ANC), voice Assistant, track shuffle, taking calls, with volume control, IPx5 certification, frequency range: 20 Hz-20000 Hz, converter: 6mm, cord length of 0,2m, battery life of up to 28 hr(s) (7 hr(s)+21 hr(s))