1. The panel adopts electroplating process, metal texture, and the touch is delicate and smooth. 2. Bluetooth 5.0 chip, with faster transmission speed and longer transmission distance. 3. In-ear fit auricle design, wearing the ear for a long time does not cause pain. 4. One-click voice access, one-touch smart life. 5. Smart chip, 4 microphone noise reduction technology, call and music sound quality can not be copied. 6. Earphone battery capacity: 3.7V/60mAh. 7. Charging box battery capacity: 750mAh, support wireless charge.