1. Body color: Black
2. Power supply method: Built in lithium battery 2200MAH
3. Interface type 3.5mm
4. Frequency response 100HZ-13KHZ
5. Connection method: wired
6. Usage time: 6-8 hours
7. Current consumption: 150MA
8. Signal to noise ratio: ≥ 75dB
9. Output power: 15W
10. Speaker specification: 3-inch speaker
11. Operating voltage: 9V
12. Standard configuration: amplifier, headset, charger, audio cable, shoulder strap
13: Application scenarios: outdoor activities, speeches, promotions
14. Appearance material: ABS plastic