The BOSS Blues Driver BD-2w is an overdrive pedal with adjustable LEVEL, TONE, and GAIN controls. - Model: Blues Driver BD-2w - Brand: BOSS - Function: Overdrive - Controls: LEVEL, TONE, GAIN - Power: 9V battery or AC adapter - Connectors: INPUT, OUTPUT Thank you for viewing. This is a used item, so please purchase only if you understand this. Only what is shown in the photos will be sent. I am selling this because I have stopped playing music.