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Boss Pocket GT Compact Guitar Effects Processor and USB Interface
Rowin PW-01 Guitar Pedal Power Supply 10 Isolated DC Output for 9V/12V/18V Guitar Bass Effect Pedals with USB Charging port for iPhone iPad Tablet - Walmart.com
MIDI Foot Controller 4 Button USB Pedal Compact for Guitar Amp | eBay
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Rowin Guitar Pedal Power Supply 10 Isolated DC Output for 9V/12V/18V Guitar Bass Effect Pedals with USB Charging port for iPhone iPad Tablet PW-1 - Walmart.com