Features: Simple panel, easy to operate, portable handheld design, easy to carry. Surrounding design, can effectively reduce the speaker bump damage, while the appearance is more beautiful and stylish. Wide range of applications, can be connected to electric guitar, computer, electric guitar, electric bass, microphone, cell phone and other equipment. Can be used in daily practice, street performance, small performance, mute practice, listening to music, lectures and meetings, square dance and other occasions! Use selling point: Suitable for electric guitar or bass, four corner bag border bump resistance wear, two power supply mode 9V battery(not include) or power adapter, speaker grid work is detailed, not easy to dust Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Voltage: AC100-240V Material: ABS+metal Color as shown Package Contents: 1 x Guitar Bass Mini Amplifier 1 adapter 1 x English manual Only the above package content, other products are not included. Note: Light reflection 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.