1. 15W OUTPUT POWER

2. HEAD MIC & BLUETOOTH AMPLIFIER

3. REPEAT & LOOP PLAY FUNCTION

4. SD CARD & USB -MP3 PLAYER

5. BUILT-IN 2200mAh LITHIUM RECHARGEABLE BATTERY 

6. RECORD FUNCTION

7. DISTANCE: AROUND 50m

8. WORKING TIME: AROUND 8HRS (MIC)

9. OUTPUT:15W

10. AUX INPUT AMPLIFIER