Wireless Headphones - with microphone, headset, around the ears, closed construction, 3,5mm Jack, Bluetooth 4.2, track shuffle, taking calls, with volume control, IPx3 certification, frequency range: 18 Hz-22000 Hz, sensitivity: 108 dB/mW, impedance: 28 Ohm, converter: 40mm, battery life of up to 14 hr(s) Enjoy listening to your favourite music without annoying cables. These Swissten Hurricane Greyy wireless headphones excel with a comfortable design. Their ear-covering design ensures amazing insulation against ambient sound. These Swissten Hurricane Greyy Wireless Headphones have Bluetooth technology for wireless connection to your devices. Say goodbye to cables. With a frequency range of 18 to 22000 Hz, you will rest assured knowing that you will not miss a note of your favourite song.   These wireless headphones even include a microphone built-in. These wireless headphones from Swissten have 4.2 Bluetooth technology. The volume can be adjusted using the...