GD28 IPX4 Waterproof Single-ear Lightweight Clip Ear Bluetooth Earphone(Black) Repair Tools

GD28 IPX4 Waterproof Single-ear Lightweight Clip Ear Bluetooth Earphone(Black) Repair Tools1. Bluetooth program: V5. 3 2. Speaker: 13mm copper ring speaker (bass effect is obvious) 3. Chip: BlueTrum 4. Use time: about 5 6h 5. Charging time: about 1h 6. Communication distance: about 10 15m without obstacles 7. Charging interface: USB 8. Battery capacity: 50mAh 9. Frequency: 20Hz 20KHz 10. Impedance: 32 ohms 11. Sensitivity: 85dB mW 12. Waterproof rating: IPX4 13. Weight: about 6. 5g Features: 1. External sound quality, safe travel, does not

Built-in battery capacity: 1800mAh

Input 1 x AAA battery (not included)

The wireless broadband speed can reach up to 300Mbps

40HQ: 611 cartons * 6 pcs = 3666 pcs

support PD20W protocol

Size: 16x11x4

Front housing LCD frame bezel plate replacement for LG V20 Mini

Distance: >10m

11mm inner diameter

which will reduce the life of the battery

Support Scalable power charging

Transmission frequency: Class2