Wireless Headphones - with microphone, True Wireless pits, semi-closed construction, Bluetooth 5.0, supports SBC, taking calls, with volume control, IPX4 certification, frequency range: 20 Hz-20000 Hz, sensitivity: 104 dB/mW, impedance: 32 Ohm, converter: 13mm, battery life of up to 35 hr(s) (6 hr(s)+29 hr(s)) Enjoy listening to music without annoying cables. Their semi-closed design ensures crystal clear sound, which sounds spectacular. These DeFunc TRUE Plus White Wireless Headphones are equipped with Bluetooth technology to connect to your devices. Say goodbye to tangled cables. With a frequency ranging 20 to 20000 Hz, you can be sure that you won't miss a single beat of your favourite song.   These wireless headphones are also equipped with and internal microphone. These wireless headphones from DeFunc use 5.0 Bluetooth. The volume can be changed using the control wheel. This model can even pick up calls. This model is totally without wires, so they are...