1. Bluetooth chip: AC6966B
2. Bluetooth version: V5.3
3. Audio system: mono
4. Support Bluetooth protocol: A2DP/AVRCP/ACDTP/HSP/HFP
5. Bluetooth working frequency: 2.402GHz-2.480GHz
6. Receiving sensitivity: 78-+3dB
7. Speaker: 10W + one diaphragm
8. Frequency response: 80Hz-18KHz
9. Speaker unit: 66mm
10. Built-in battery: 3.7V/3000mAh
11. Music time: 4-6h
12. Charging input standard: Type-C, DC 5V/600mA
13. Charging time: 5h
14. Included accessories: manual, USB data cable