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Function Introduction:

Support :Amplifier 2x3W,Wireless bluetooth,double decoding MP3/WMA/WAVAPE formats music,power supply DC 5V/recharge battery 3.7V input .

TF CARD:TF card socket

USB:USB disk socket

AUX:Audio input socket and charge 3.7V input

PCB size:45x20 mm

3W 4 Ohms

L+:Left speaker Positive+

L-:Left speaker Negative-

3W 4 Ohms

R+:Right speaker Positive+

R-:Right speaker Negative-

B-:Battery Negative -

B+:Battery Positive + 3.7V