1.[Mini design, Comfortable to wear] Very mini design style, fits both ears, very light, suitable for long-term wearing without discomfort to the ears, and there is no problem in wearing for a long time. It feels so light and natural, you hardly notice its presence 2.[Connectivity Stable and ] Bluetooth V5.3 and true wireless technology can provide a more stable connection for the headset, signal transmission is more stable, makes you enjoy music without any cord troubles, and bring convenience to your life. 3.[Quick Connection] Sport headsets compatible with all bluetooth -enabled devices. Easy and qucik to connect,you will in your within 3 seconds. 4.the built-in dual LED power display screen can clearly indicate the battery level of the phone case and wireless headphones. Colour:black Material:ABS Package Contents: 1 pair x headphones 1 x charging case 1 x USB charging cable 1 x bag ear cap 1 x Multi -language manual 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.