S23 Digital Ultra-thin Mini Anti-touch Wireless Bluetooth Earphone Bone-Conduction Sleep TWS Earphone

1. Titanium polymer composite diaphragm, shock sound effects 2. High-definition LED digital display, ultra-long battery life 3. A transparent case, the amount of electricity at a glance 4. Ultra-thin, invisible, even out, cool LED lights, fully compatible, HiFi stereo sound 5. Two-ear communication, regardless of subject or follower 6. Smart noise reduction, Bluetooth 5.2, smart keys, powerful endurance 7. Wear invisibility comfortable, carry light small not cumbersome 8. Ergonomic design, comfortable ear, side sleep do not press the ear 9. Usage: 24 hours 10. Charging time: about 1.5 hours 11. Operating voltage: 3.0-4.2V 12. Long standby: 240 hours or more 13. Support Protocol: A2DP/HFP/HSP/AVRCP 14. Connection distance: 10 meters 15. Headphone playback time: 5-6 hours 16. Usage mode: clip-on 17. Bluetooth version: V5.2 18. Charging method: USB charging/built-in lithium-ion battery 19. Battery capacity: charging tank: 300 mah, earphones: 30 mah 20. Size: 56x68x33mm