M5 Digital Display Bluetooth Headset Mini In-ear Invisible Headphones(Black)

1. Bluetooth version: V5.32. Transmission distance: about 10 meters3. Language: switchable between English and Chinese4. Frequency range: 20-20KHz5. Sensitivity: 85dB6. Impedance: 32 ohms7. Battery capacity: 100mAh8. Charging time: about 1h9. Use time: about 10h10. Charging interface: USB11. Waterproof rating: IPX512. Weight: about 3gFeatures:1. Digital display power, clear power usage at any time2. Graphene diaphragm, HIFI-level sound quality3. Exquisite and compact, easy to store and carry4. Double audio decoding, audio and picture synchronization, no sense of delay5. Lightweight and comfortable to wear in the ear6. Can be individually paired connection, two headphones can be used with two ears7. Intelligent touch control, easy to operate