M520 Ear-mounted Stereo Bone Conduction Sports Bluetooth Earphone(White) Tag-Sucker Day and night switching: automatic

Day and night switching: automatic switching of dual filters

and the bright analysis and cohesion of the moving iron

low operating temperature

Loading Container 20GP: 508 cartons * 20 pcs = 10160 pcs

0 x 3 output: DC5V 2

M520 Ear-mounted Stereo Bone Conduction Sports Bluetooth Earphone(White) Tag-Sucker Day and night switching: automatic1. Bluetooth version: 5. 2+EDR 2. Transmission distance: about 10 meters 3. Talk time: about 48 hours 4. Listening time: about 26 hours 5. Battery capacity: 150mAh 6. Accessories: earphone x1, charging cable x1, manual x1 7. Wireless frequency: 2. 4GHZ 8. Support protocol: A2DP1. 3 HFP1. 6 HSP1. 2 AVRCP1. 6 D11. 3 9. Charging voltage current: 5V 1A 10. Power: 5W 11. Charging time: about 2 hours 12. Speaker impedance: 8mm 32 ohm 13. Microphone