Wireless Headphones - with microphone, headset, ear, closed construction, Bluetooth 5.0, track shuffle, taking calls, with volume control, frequency range: 20 Hz-20000 Hz, converter: 30mm, battery life of up to 35 hr(s) Enjoy listening to your favourite music without annoying cables. These SONY wireless headphones have the over-ear design. They sit comfortably over your ears, but they are still very compact. Their ear-covering design guarantees flawless insulation against background noise. These Sony Bluetooth WH-CH510, Grey-White Wireless Headphones are made with Bluetooth technology to connect to your devices. Say goodbye to bothersome cables. With a frequency range of 20 to 20000 Hz, you can rest assured knowing that you won't miss a note of your favourite song.   These wireless headphones are also equipped with and internal microphone. These wireless earphones from SONY are equipped with 5.0 Bluetooth. The volume of your music can be changed with the...