【Product Overview】 The BOSS SD-1 is a popular overdrive pedal for guitarists. It's characterized by its simple operation and high sound quality, making it suitable for various music genres. 【Features】 The yellow body has an eye-catching design, and the three knobs for LEVEL, TONE, and DRIVE allow for detailed sound shaping. It operates on a 9V battery or AC adapter, making it convenient to carry around. 【How to Use】 Simply connect your guitar to the INPUT jack and connect the OUTPUT jack to your amplifier to start using it. Despite its simple design, it delivers sound quality trusted even in professional settings. - Brand: BOSS - Model Name: SD-1 - Type: Overdrive - Color: Yellow - Controls: LEVEL, TONE, DRIVE - Power: 9V battery or AC adapter - Country of Manufacture: Taiwan - Connectors: INPUT, OUTPUT Thank you for viewing. This is the BOSS Super Overdrive SD-1. It is a used item that has been stored. I tested it for the listing. I confirmed that it produces sound without any issues. This listing is for the unit only. Other cables etc. are not included. Since it is used, there may be dirt and scratches. However, please understand that it is non-refundable and non-returnable (NCNR). Shipping will be via Yu-Yu Mercari delivery service. Thank you.