I purchased this from Soundhouse about three months ago. I've used it two or three times. I'll include the original box, but there is no manual. Instant purchase OK! Price negotiation OK The following is auto-generated text: This is a multi-functional guitar effects unit with a tuner and loop function. - Model: GT-1 - Type: Guitar Effects Unit - Functions: Tuner, Loop, Effect Processor - Connectors: Input, Output, Pedal Connection - Color: Blue - Display: LCD Display Thank you for viewing. Manufacturer: BOSS Type: Electric Guitar