Ear Clip Type Sound Conduction Concept Bluetooth Earphone With Digital Display Charging Compartment(Black) Type-Battery Grip & Charger it is more suitable for

it is more suitable for the middle-aged and elderly to read books

3) Output: 19V 4

does not support B+M key SATA protocol M

Loading Container 20GP: 2666 cartons * 400 pcs = 1066400 pcs

15W safe fast charge

Ear Clip Type Sound Conduction Concept Bluetooth Earphone With Digital Display Charging Compartment(Black) Type-Battery Grip & Charger it is more suitable for1. Bluetooth version: V5. 3 2. Call distance: about 10 meters 3. Battery capacity: earphone 50mAh, charging 300mAh 4. Charging port: Type C USB C 5. Charging voltage: 5V 6. Talking time: about 10H 7. Play music: about 8H 8. Material: ABS 9. Speaker diameter: 12MM 10. Speaker impedance: 32 ohms 11. Speaker diaphragm: PET 12. Call sensitivity: 42dB 13. Earphone distortion: 1K 5% 14. Magnet type: chintie boron N40 15. Charging compartment size: about 6.