Good compatibility - Suitable for all kinds of electric guitars with 6.35mm plug, and can also be used for electronic and more. Compact and portable, plug and play - Plug in this mini guitar amp and use it anytime, anywhere, helping you the trouble of using cords. Built-in 4 effects to meet your practice needs - With clean, distortion, overdrive and reverb effects, all switched through the EFFEGT button. With Bluetooth function, Bluetooth 5.1 - You can enjoy the backing tracks via Bluetooth, or this small amp can also be placed on the desktop for playing music. Rechargeable guitar amplifier - Can be used for about 5 hours after being fully . We suggest that you use 5V 2A charger. Please don't use chargers with Voltage 5V, as they will damage the product or cause other serious consequences. Material: ABS colour: Black Package Contents: 1 x mini Electeic Guitar Amp 1 x USB Charging Cable 1 x English instructions 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.