Bone Conduction Concepts Digital Display Stereo Bluetooth Earphones, Style: Dual Ears With Charging Warehouse(Blue)

1. Bluetooth version: 5.22. Speaker diaphragm: PET3. Call sensitivity: 42db4. Frequency response range: 20Hz-20KHz5. Speaker impedance: 32 ohms6. Charging voltage: 5V7. Connection distance: about 10M8. Battery capacity: headset 75mAh, charging case 300mAh9. Talk time: about 15H10. Play music: about 10H11. Charging time of charging case: about 3H12. Charging interface: Type-C/USB-C13. Support protocol: HFP, HSP, A2DP, AVRCP, OPP, PBAP14. Material: ABS15. Speaker diameter: 14.2mm16. Headset size: about 3.9 x 4.2 x 2.4cm17. Charging compartment size: about 9.5 x 5.8 x 2.5cm18. Weight of charging compartment + headphones: about 67.7gFeatures:1. Air conduction, open audio, hanging ear design2. TPU ear hook, soft and light, can be bent at will, wear solid3. With LED digital power display4. 14.2mm large dynamic coil, HIFI high fidelity sound quality, metal composite diaphragm5. Stable transmission connection, low latency6. Type-C charging interface, convenient and practical7. Button control, simple and