【High-Performance Effects Unit】 The BOSS GT-1 is a guitar effects unit that offers professional sound quality and a wide variety of effects. Despite its compact design, it's packed with features. 【Versatile Connection Options】 It's equipped with various input/output terminals, including USB and AUX IN, allowing for easy connection to various devices. This makes it easy to use in the studio or for live performances. 【Convenient Portability】 The lightweight and compact design makes it easy to carry and use anywhere. It's the perfect item for music production and performance. Operation Confirmed - Model Name: BOSS GT-1 - Color: Black - Type: Guitar Effects Unit - Input/Output Terminals: USB, AUX IN, OUTPUT, PHONES, INPUT - Back Color: Blue Includes the instruction manual and the original box. Thank you for viewing.