GA-02 Mini Guitar Amplifier:
Output: 3W
Input Sensitivity/Impedance: 100K ohms
Effects: Clean, Distortion
MP3 Input Jack: 3.5mm
Earphone Input Jack: 3.5mm
LED Power Indicator
Material: ABS Plastic
Weight: 316g (including battery)
Dimensions: 147(L)X32(W)X84(H)mm
Power: 9V DC or 6F22 Battery (1)