Wireless Headphones - with microphone, headset, ear, semi-closed construction, 3,5mm Jack, Bluetooth 5.0, supports A2DP, aptX HD, AVRCP, HFP and HSP, active noise control (ANC), track shuffle, with volume control, frequency range: 20 Hz-20000 Hz, sensitivity: 94 dB/mW, impedance: 32 Ohm, converter: 40mm, removable cord length of 1m, battery life of up to 60 hr(s)