BOSS Blues Driver BD-2 Purchased used and used multiple times in live performances and studio sessions. It has some scratches and signs of use, so please refrain from purchasing if you are concerned. Operation has been confirmed, but please understand that this is a used item before purchasing. The BOSS Blues Driver BD-2 effector achieves a wide variety of tones. - Model Name: Blues Driver BD-2 - Color: Blue - Power: 9V battery or adapter - Controls: LEVEL, GAIN, TONE Thank you for viewing.