Wireless Headphones - with microphone, True Wireless earplugs, closed construction, Bluetooth 5.1, supports A2DP, AAC, AVRCP, HFP, HSP and SBC, voice Assistant, track shuffle, taking calls, IPx5 certification, converter: 7,2mm, battery life of up to 30 hr(s) (8 hr(s)+22 hr(s))