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, battery life of up to 14 hr(s) (3 hr(s)+14 hr(s)) Enjoy listening to your favourite music without cables. Their semi-closed construction ensures perfect, clean sound, which sounds incredible. These DeFunc TRUE GO Black Wireless Headphones utilize Bluetooth technology for wireless connection to your device. Say goodbye to annoying cables. With a frequency ranging 20 to 20000 Hz, you can be sure that you won't miss a beat of your favourite song.   These wireless headphones also include a microphone. These wireless earphones from Garmin Czech s.r.o. are equipped with 5.0 Bluetooth technology. The volume of music or videos can be adjusted with the control wheel. This model can even pick up calls. This model is 100% wire-free, so they are true wireless earphones. The...