Ultra compact battery powered micro headphone amplifier for acoustic guitars. This amplifier features three roller controls for setting up Tone, Volume and Blend levels. 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. Also featured is a built in enhancer for pristine bright tones and off course a 3,5 mm jack connector for headphones. Dimensions: 80 x 45 x 16 mm, weght: 30 g. Colour: White.