Wireless Headphones - with microphone, headset, around the ears, closed construction, 3,5mm Jack, Bluetooth 5.0, for PC, supports AAC, LDAC and SBC, active noise control (ANC), voice Assistant, NFC, track shuffle, taking calls, frequency range: 4 Hz-40000 Hz, sensitivity: 105 dB/mW, impedance: 40 Ohm, converter: 40mm, removable cord length of 1,2m, battery life of up to 30 hr(s)