Mini Cube Guitar Amp 5V 3W Electric Guitar Amplifier Support Memory Card up to 32G Tone and Volume Control A cube guitar amp, 3W output, with effect of distortion and clean Independent knobs to control guitar volume and tone Microphone input, Audio input, Recording function, Earphone output Memory card up to 32G, play any format of music Rechargeable battery, 4 hours to full charge, continuous playing 6 hours