1. Bluetooth version: 5.0
2. Battery capacity: 250mAh lithium battery
3. Play time: 10 hours
4. Standby time: about 100 days
5. Signal to noise ratio: greater than or equal to 90dB
6. Frequency: 2.4GHz
7. Support protocol: A2DP stereo AVRCP HSP
8. Body material: ABS+PC
9. Charging voltage: DC 5V
10. Bluetooth version: 5.0+EDR
11. Transmission distance: 10 meters
12. Charging time: 2 hours
