Features: 5W guitar amplifier compact size design super lightweight and portable easy to carry around when you go for a travel. With volume and tone adjusting knobs and supports overdrive function giving you excellent and various sound effect. 6.35mm(1/4 inch) and 3.5mm inputs for connecting acoustic guitar electric guitar and other musical instruments or device. And 6.35mm output allows you to connect headphones to practice your guitar without bothering your neighbors. Dual supply: 1 * 9V battery or 9V adapter(both are not included) suitable for indoor and use. With shoulder strap and backside clip convenient to carry amplifier when play guitar on move. Specifications: Color: Black/ Blue/ Red/ Orange/ Yellow(optional) : 5W Item Size: 12.7 * 6 * 12.5cm / 5 * 2.4 * 4.9in Item Weight: 356g / 12.6oz Package Size: 14.5 * 14 * 8.2cm / 5.70 * 5.51 * 3.22in Package Weight: 380.02g / 13.40oz Note: guitar showed in picture is not included. Package List: 1 * Amplifier