Wireless Headphones - with microphone, True Wireless earplugs, semi-closed construction, Bluetooth 5.2, supports A2DP, AVRCP, HFP and HSP, active noise control (ANC), voice Assistant, track shuffle, taking calls, converter: 10mm, battery life of up to 30 hr(s) (7,5 hr(s)+22,5 hr(s))