Brand: JOYO - Model: JF-15 - Quantity: 1 piece - Color: White + black - Material: Aluminum alloy casing - Compatible Models: Compatible electronic guitar folk guitar classic guitar classic bass bass - Function: - To prolong the life of the battery be sure to disconnect the plug from the jack when not using the unit - Replaces the battery if the LED is dim or off during the effect on mode - Feel the sound of the Mesa Boogie MKII amplifier and get lots of natural and focused rock tones. - High mid and low sound switches and voice level and drive switches - True bypass design to minimize the tone loss - Packing list: - 1 x Pedal - 1 x 9V 6F22 battery - 1 x Chinese / English user manual