Features: Portable 5W guitar amplifier with wooden body and 4 inch speaker, easy to carry around when you go for a travel. Supports volume, tone adjustment, and overdrive effect, giving you excellent and various sound effects. With 6.35mm(1/4 inch) input for connecting electric guitar, acoustic guitar, ukulele, etc. The 6.35mm(1/4 inch) output allows you to connect headphones to practice your guitar without bothering your neighbors. Dual power supply: 1 9V battery or DC 9V power adapter(both are not included), suitable for indoor and outdoor use. With shoulder strap and backside clip, convenient to carry the amplifier when play the guitar on the move. Specifications: Color: Black Power: 5W Speaker: 4 inch Item Size: 20.5 17 8.5cm / 8.1 6.7 3.3in Item Weight: 1100g / 2.4lbs Package Size: 22 18.5 10.5cm / 8.7 7.3 4.1in Package Weight: 1216g / 2.7lbs Note: The guitar showed in the picture is not included. Package List: 1 Amplifier