Ultra compact battery powered micro headphone amplifier for electric guitars. This amplifier features three roller controls for setting up Tone, Volume and Gain levels. The Gain control offers variety of sounds from mild overdrive to heavy distortion. Also featured is an built in Aux in connector so you can jam with all your favorite songs. Internal rechargable Lithium-Ion battery with up to 4 hours of plaing time can be charged via USB port. Amp also features a 3,5 mm jack connector for headphones. Dimensions: 80 x 45 x 16 mm, weght: 30 g. Colour: Black.