Z28 Wireless Ear Clip Type Single-Ear Bluetooth 5.3 Earphone(Black Box Packag)

1. Bluetooth solution: Jelly 69832. Speaker: 10MM copper ring speaker3. Battery capacity: 50mAh4. Charging port: Micro USB5. Input: 5V 1A6. Standby time: about 800H7. Working time: about 7H8. Charging time: about 1H9. Bluetooth version: 5.310. Communication distance: about 10-15m without obstacles11. Weight: about 7gFeatures:1. Clip ear design, comfortable to wear, no need to enter the ear, not picky ear shape, not easy to fall2. Composite diaphragm speaker unit, balanced adjustment technology and fine-tuning, layered and more detailed3. Power on memory back to connect, quickly connect the device4. Highly elastic skin-friendly material, adjustable and stretchable, light and comfortable5. Using Bluetooth 5.3 chip, music calls zero delay, low power consumption more power saving, more stable calls, clearer sound6. Adaptive directional sound transmission, detecting the shape of the ear canal, automatically adjusting the propagation angle of the integrated sound beam to ensure efficient