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 will, after the first pairing is successful, the subsequent opening of the cover will automatically connect the left and right earphones. The main and auxiliary earphones can be switched at will, 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.