Specifications:
Product model: XH-A153
Function type: Audio amplification
Power supply voltage: DC5V
Bluetooth version: 5.0
Chip type: PAM8403
Number of channels: two-channel stereo
Output power: 2*3W
Battery type: 18650(Not included)
Magnification: 4 times
Size: 93*42*25mm
Weight: 27g

Package include:
1* Amplifier Board(Battery not included)