Good compatibility - Suitable for all kinds of electric guitars with 6.35mm plug, can also be used for electronic wind instruments more. Compact portable, plug play - Plug in this mini guitar amp use it anytime, anywhere, helping you get rid of the trouble of using cords. Built-in 4 effects to meet your practice needs - With clean, distortion, overdrive 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 charged. We suggest that you use 5V 2A charger. Please don't use chargers with Voltage Greater than 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 different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is and\/- 1-3cm.