Touchscreen Bluetooth headset: full-color touchscreen, phone and dialing, WHATSAPP information, APP function LED full-color touchscreen: multiple functions are directly operated, LED full-color touchscreen, answering calls, making calls, music playback and other functions are under control Open the cover and connect: switch between single and double ears at , after the first pairing is successful, the subsequent opening of the cover automatically connect the left and right earphones. The main and auxiliary earphones can be switched at , which is faster and easier to use Graphene diaphragm, 9D panoramic sound effect: sound quality is the soul of the headset. We use graphene diaphragm units to bring high-fidelity sound quality, making the sound more shocking and powerful Make a call, no mobile phone is needed, it is easy to do: caller ID, make a call, and the contacts are clear at a glance Colour:Black Material:ABS Package Contents: 1 pair * earphones 1 * earphone case Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.