PAM8403 mini 5V digital amplifier board with switch potentiometer can be USB powered

Description

Operating voltage: 2.5V-5.5V
Maximum output power: 3W*2(5V 4Ω)
PCB size :
Length: 29mm
Width: 20mm
Overall height after installed is about 16mm
Package included:
1 x  Mini PAM8403 5V 2Channel USB Power Audio Amplifier Board 3Wx2W Volume Control