1. Bluetooth version:Bluetooth V5.0+EDR 2. Operating range:10Meters
3. Using time:4H
4. Stand-by time: 300H
5. Rechargeable Lithium Battery: 200mAh Li Battery
6. Charging time: 1.5H
7. Trumpet: Ø40mm
8. Sensitivity: 110±3dB S.P.L at 1KHZ
9. Impedance:32Ω
10. Frequency response: 20Hz-20 KHz
11. Rated power: 5W×2
12. Music playtime: 5H
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