Specifications - Compatible Devices: Guitar - Output Wattage: 5 Watts - Battery Type: Lithium Ion - Weight: 1.32 Pounds - Product Dimensions: 5.63 X 2.68 X 3.82 Inches - Power Source: Battery Powered,Corded Electric - 1/8", Auxiliary Input Jack For Jam-Along With Media Player Or Cd, 1/8", Headphone Output Jack For Silent Practice