I purchased this used about three months ago and have only used it at home. It is fully functional. Velcro is attached to the back. Product Description 【High-Quality Loop Function】 The BOSS RC-1 is a loop station with simple and intuitive operation. You can instantly record and play back your performance ideas with high-quality sound. 【Various Connection Options】 It is equipped with INPUT 1 and INPUT 2, and OUTPUT A and OUTPUT B terminals, allowing connection to various devices. This allows for flexible use in live performances and studio recordings. 【Compact Design】 The small and lightweight design is convenient to carry and fits any guitar setup. - Brand: BOSS - Model: RC-1 - Color: Red - Type: Loop Station - Input Terminals: INPUT 1, INPUT 2 - Output Terminals: OUTPUT A, OUTPUT B - Power: DC 9V Thank you for viewing. Manufacturer: BOSS