MATERIAL: PP + Metal

Bluetooth Version:  V5.3                                                              

Bluetooth Chipset & Chipset number: Bluetrum

Bluetooth Range: 10m

BatteryL: DC 3.7 V, 800mAh

50% & 100 % Play time: 2Hours - 3Hours

Charge Input: DV 5 V, 1 A

Charge Time: 2-3 Hours

Number of Tweeter & Tweeter size: N/A        

Number of Subwoofer & Subwoofer size: 2"X 3W, 3Ω    

Total RMS output power: 3 W

Signal to Noise Ratio: 80 dB

Sensitivity: 88 dB                                                                    

Frequency Response: 80 Hz - 18 kHz

Max size for USB or Micro SD Card: 32 GB