We will always hold your back while shopping!
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<br />Features: 
<br />100% Brand new and high quality!
<br />The potentiometer is provided with a switch to control the volume and power switch. 
<br />Do not exceed the working voltage of 5.5V.
<br />Do not pick the wrong power supply positive and negative, Otherwise, the chip may be damaged.
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<br />Specifications:
<br />Condition: new
<br />Color: green
<br />Weight: 10g
<br />Operating voltage: DC2.5-5.5V (You can use a computer USB port 5V power supply 
<br />Maximum output: 3WX2(5V 4  ) 
<br />Board dimensions: 28*20*11mm
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<br />Package included:
<br />1 x Ultra-small PAM8403 USB 5V Digital Amplifier Board
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