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: 105 dB/mW, impedance: 32 Ohm, converter: 13mm, battery life of up to 22 hr(s) (4 hr(s)+18 hr(s)) Enjoy listening to music without tangled cables. The semi-closed construction guarantees perfect, clean sound, which sounds spectacular. The DeFunc TRUE GO Slim Pink Wireless Headphones are equipped with Bluetooth technology for wireless connection to your devices. Say goodbye to cables. With a frequency range of 20 to 20000 Hz, you can rest assured knowing that you will not miss a note of your favourite song.   These wireless headphones also include a microphone built-in. These wireless earphones from DeFunc have 5.0 Bluetooth technology. The volume can be changed with the control wheel. This model can even pick up phone calls. This model is totally...