Feature: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 AmplifierMaterial: ABSBattery: 850mAh Lithium Battery (Shipped with Built in Battery)Power: 5WSignal to Noise Ratio: 85db.Package List:1 x Electric Guitar Amplifier1 x USB Charging Cable1 x Adapter1 x User Manual (in Chinese and English)