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BOSS WL-20 guitar Wireless System Universal wireless transmitter receiver for guitar bass keyboard musical instrument - AliExpress
![BOSS WL-20 guitar Wireless System Universal wireless transmitter receiver for guitar bass keyboard musical instrument - AliExpress BOSS WL-20 guitar Wireless System Universal wireless transmitter receiver for guitar bass keyboard musical instrument - AliExpress](https://ae01.alicdn.com/kf/H234b35e245c54719a574b2667235198eB.jpg)
BOSS WL-20 guitar Wireless System Universal wireless transmitter receiver for guitar bass keyboard musical instrument - AliExpress
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