Wireless Headphones - with microphone, headset, around the ears, closed construction, 3,5mm Jack, Bluetooth, supports AAC, aptX and SBC, active noise control (ANC), track shuffle, taking calls, with volume control, frequency range: 6 Hz-22000 Hz, sensitivity: 106 dB/mW, converter: 42mm, cord length of 1,2m, battery life of up to 60 hr(s)