Wireless Headphones DeFunc TRUE Basic Green:Enjoy listening to your favourite music without annoying cables. Their semi-closed construction ensures clean sound, which sounds incredible. These DeFunc TRUE Basic Green Wireless Headphones are equipped with Bluetooth for wireless connection to your devices. Say goodbye to cables. Using a frequency range of 20 to 20000 Hz, you can enjoy knowing that you wont miss a single note of your favourite song.   The wireless headphones also have a 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 receive your calls. This model is completely without wires, so they are true wireless headphones. The package also includes a case for safe travel. The DeFunc TRUE Basic Green have a water resistance rating of IPX4. A fully charged battery will be able to last you 12 hr(s). DeFunc TRUE Basic Green Wireless Headphones Key Features Material of these wireless headphones from DeFunc TRUE Basic Green is semi-closed Beautiful green colour Volume level control buttons Connection method is Bluetooth No-wire connection with Bluetooth gives you true freedom Weight of DeFunc wireless headphones: 30 g Single charge battery life is 12 hr(s) The DeFunc wireless headphones also have a microphone Every user is sure to like the buit-in microphone. The microphone on these DeFunc wireless headphones guarantees uninterrupted connection with family or friends. Its built right into the wireless headphones design.