1. Bluetooth distance: more than 10 meters
2. Answering method: automatic
3. Input method: bluetooth
4. Speaker specifications: diameter 50 mm, 32 ohms 0.5W
5. Charging voltage: USB5V
6. Response frequency: 180-2000KHZ
7. Distortion: less than 1%
8. Sound-to-noise ratio: greater than 80dB
9. Power supply: built-in lithium battery 800MA
10. Bluetooth version: bluetooth 5.0
11. Dimensions: diameter 60x17 mm
12. Weight: 75 grams

Product features:
1. Listen to music, answer incoming calls, voice guidance, voice calls
2. Built-in MIC, you can answer the phone while listening to music. It can be used in the hands-free system of the mobile phone to make or answer the call easily. The sound quality of the call is clear
3. The USB port can be charged repeatedly, with long standby and working time
4. Support to display the battery level of the Bluetooth headset on the phone