1. Material: ABS + TPU+Stainless steel

2. Bluetooth: ATS2819 /V5.0 (YAMAHA DSP AP)

3. Bluetooth Range: 10m

4. Speaker: 20W*2

5. Frequency Response: 60Hz-20KHz

6. Signal Noise Rate: >85dB

7. Battery: 2*2500MAH 3.7V

8. Play time: upto 12 Hours

9. Size: 260mm x 135mm x 48mm(L x W x H)

10. Color: black