Features 1、Excellent Compatibility: Compatible with a variety of 6.35mm plug electric guitars, this guitar amplifier can also be used with electronic instruments. 2、Compact and Portable, Plug and Play: Simply plug in this mini guitar amp for immediate use anytime, anywhere, eliminating the hassle of dealing with wires. 3、BT Functionality: Enjoy background tracks via BT connectivity, or use this small guitar amplifier as a stylish desktop music player. 4、Full Range Amplifier: Delivering powerful energy for every note, this amplifier offers a three dimensional sound experience and high fidelity sound reproduction. 5、Applicable Scenes: Perfect for guitar beginners or daily home practice sessions, this convenient guitar practice amplifier helps you get rid of the hassle of cables and wires. Specification Item Type: Electric Guitar Amplifier Material: ABS Battery: 850mAh Lithium Battery (Shipped with Built in Battery) Power: 5W Signal to Noise Ratio: 85db Package List 1 x Electric Guitar Amplifier 1 x USB Charging Cable 1 x Adapter 1 x User Manual (in Chinese and English)