Mini 5W guitar amplifier, super and portable, easy to carry around when you go for a travel. Supports volume and tone adjustment, and with overdrive effect, giving you excellent and various sound effect. With 6.35mm(1 or 4 inch) input for connecting electric guitar and other musical instruments or device. 6.35mm(1 or 4 inch) output allows you to connect headphones to practice your guitar without bothering your neighbors. Dual power supply: 1 x 9V battery or DC 9V power adapter(both are not included), suitable for indoor and outdoor use. With shoulder strap, convenient to carry the amplifier when play the guitar on the move. Power: 5W Colour: black Material: plastic and metal Size: about 13 x 7.5 x 13cm Package Contents: 1 x Guitar Amplifier Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.