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
