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: 250 mAh
9. Headphone capacity: 30 mAh x 2