1. Bluetooth version: 5.1
2. Frequency: 2.402GHz-2.485GHz
3. Transmission distance: 8-10m
4. Frequency response range: 20Hz-20KHz
5. Speaker impedance: 32 Ohm - / + 15%
6. Horn sensitivity:104dB - / + 3dB
7. Charging interface: Type-C
8. Charging case capacity: 250mAh
9. Headphone capacity: 30mAh x 2