AX9 Noise Reduction Digital Display With Charging Bin Bluetooth Headset(Black)

1. Bluetooth version: 5.22. Transmission distance: about 10m4. Frequency range: 20-20KHz5. Sensitivity: 945dB6. Speaker specifications: 32 ohms7. Battery capacity: charging bin 400mAh, headphones 60mAh8. Charging time: about 1h9. Use time: about 10h10. Charging interface: USB11. Waterproof rating: IPX612. Weight: about 16.2gFeatures:1. Intelligent ENC, call noise reduction2. Independent pronunciation cavity, the sound quality is more full3. Exquisite and compact, easy to store and carry4. LED power display, clear power usage at any time5. Equipped with small, medium and large ear caps, according to their own ears to match6. Headset from the charging compartment can be automatically turned on and connected to the device7. Intelligent touch control, easy to operate