Wireless Headphones - with microphone, headset, ear, closed construction, 3,5mm Jack, Bluetooth 5.0, for PC, active noise control (ANC), track shuffle, taking calls, with volume control, frequency range: 20 Hz-20000 Hz, sensitivity: 105 dB/mW, impedance: 32 Ohm, converter: 40mm, battery life of up to 6 hr(s)