5W guitar amplifier with compact design, portable and easy to carry for travel. Features volume and tone control knobs and overdrive function for a variety of sound effects. Equipped with 6.35mm (1/4 inch) and 3.5mm inputs for connecting acoustic guitar, electric guitar, and other musical instruments or devices. Includes 6.35mm output for connecting headphones, allowing silent practice. Dual power options: 1 x 9V battery or DC 9V power adapter (battery and adapter not included), suitable for indoor and outdoor use. Designed with shoulder strap and backside clip for convenient portability. Guitar not included. Color: Black. Material: ABS. Package includes: 1 x guitar amplifier. Light reflection and display differences may cause slight color variation between image and actual item. Measurement error allowed within +/- 1-3cm.