DS800 Bluetooth 5.0 Universal Hanging Ear Style Business Sports Wireless Bluetooth Earphone, Upgrade Version (Black) Tag-Soldering Iron Set Carton Size 83cm * 73cm

Carton Size 83cm * 73cm * 14cm / 32

OnePlus:  9RT 5G

Back camera for Xiaomi Redmi Note 7 Pro

One Package Size 6cm * 4cm * 2cm / 2

DS800 Bluetooth 5.0 Universal Hanging Ear Style Business Sports Wireless Bluetooth Earphone, Upgrade Version (Black) Tag-Soldering Iron Set Carton Size 83cm * 73cm1. Bluetooth version: BK solution 5. 0 2. Battery parameters: 180mAh 3. Standby current: about 1mA 4. Working current: about 22mA (the louder the volume, the higher the power consumption) 5. Signal distance: about 10 meters 6. Talk time: 16 hours 7. Listening time: 22 hours 8. Waterproof level: IPX7 9. Charging time: about 0. 5 hours 10. Ergonomic design, comfortable to wear 11. Can be rotated 180 degrees, can be worn on both left and right ears 12.