Wireless Headphones DeFunc TRUE GO Black:Enjoy listening to your favourite music without cables. Their semi-closed design guarantees clean sound, which sounds incredible. These DeFunc TRUE GO Black Wireless Headphones utilize Bluetooth for wireless connection to your devices. Say goodbye to annoying cables. With a frequency range of 20 to 20000 Hz, you will rest assured knowing that you wont miss a note of your favourite song.   These wireless headphones are also equipped with an integrated microphone. These wireless earphones from DeFunc use 5.0 Bluetooth. The volume of music or videos can be changed with the control wheel. This model can even pick up phone calls. This model is totally wire-free, so they are true wireless headphones. The package also includes a case for travelling. These DeFunc TRUE GO Black are made with a water resistance rating of IPX4. The battery life is 14 hr(s). DeFunc TRUE GO Black Wireless Headphones Key Features Material of these wireless headphones from DeFunc TRUE GO Black: semi-closed Beautiful black colour Volume control buttons Connection method: Bluetooth Wireless connection with Bluetooth gives you ultimate freedom Single charge battery life is 14 hr(s) These DeFunc wireless headphones have a microphone also Every user is sure to appreciate the reliable microphone. The microphone on these DeFunc wireless headphones will ensure uninterrupted connection with family or friends. The mic is built directly into the design of the wireless headphones.