15W portable acoustic guitar amplifier with 5' speakers, professional high quality guitar sound output. With BT wireless music play links and microphone input, you can enjoy listening and singing. Built-in rechargeable battery, no need for external power supply, enjoy music anytime, anywhere. Support for guitar volume, bass and treble controls, as well as microphone volume and echo adjustment for different sound effects. Easily carry the strap of the guitar amplifier with your hand.