Powerful Acoustic Guitar Amplifier: 25W powerful acoustic guitar amplifier 1:1 restore the guitar tone, supports independent adjustment of volume, 2-band EQ(bass & treble) and reverb effect to guitar channel. Supports Microphone Input: With 6.35mm microphone input interface, and the microphone channel is designed with independent control knob of volume, tone and reverb effect to achieve voice modification function. Can Work as a Wireless Speaker: Supports wireless BT connection, you can connect the amplifier with your smartphone or tablet to play accompaniment music while doing guitar practice or to enjoy the fun of music listening at leisure time. Built-in Rechargeable Battery: Built-in 11.1V/ 2600mA large capacity battery that can be recharged by the type-C interface quickly. No need of external power supply, just enjoy the music anytime anywhere. Compact and Delicate Design: Wooden shell design, very delicate and beautiful; compact size and with top handle, the guitar amplifier can be easily carried anywhere and is quite suitable for travel use.