Fluid Audio Strum Buddy, Battery Monitor / Amplifier for Electric Guitar, Is attached to the guitar with a suction cup, Approx. 3.5 hrs playing time with charged battery, Effects: Distortion, Chorus and Reverb, Power: 6 W, 1 Channel, Equipped with: 40 mm neodymium magnet loudspeaker, Construction: ABS plastic housing, Dimensions (W x H): 70 x 40 mm, Includes charging cable USB-A to USB micro charging cable and guitar cable 6.3 to 3.5 mm mono-jack