Bluetooth Sleep Earphones Video Like Remote Control E-book Page Turner 1. Bluetooth solution: Bluetooth V5.4 2. Speaker: F10mm 3. Battery capacity: charging box 200mAh, earphones 25mAh 4. Standby time: 120H+ 5. Working time: about 4-5h, the charging box can charge the earphones 2 times+ 6. Charging time: about 1h 7. Communication distance: barrier-free 10-15m 8. Charging port: Type-C 9. Weight: about 27g 10. Charging box size: about 4.9 x 5.1 x 1.3cm Features: 1. Free your hands and turn pageslikes remotely 2. Applicable to a variety of scenarios, whether it is work, life, sports, you can free your hands and enjoy remote control 3. Shark ear wing design, designed for sleep, small body does not pick ear shape, easy to wear for large and small ear canals, close to the ear without bulging, no pressure when sleeping on the side 4. The large unit composite diaphragm provides a wider and flatter frequency response, thereby improving the clarity and details of the sound, and the sound quality is delicately restored 5. Bluetooth 5.4 module technology, the left and right ears receive and transmit synchronously, and the Bluetooth signal transmission speed is improved 6. Easy to pick up and put away freely 7. Using a large-capacity high-performance lithium battery to continue to provide you with battery life 8. Silicone buttons, comfortable feel Packing list: - Charging case x 1 - Earphones x 2 - Strap x 1 - Type-C charging cable x 1 - Instruction manual x 1