This Dolphin Audio 10 In. Dual Rechargeable Party Speaker features two 10 in. drivers for incredible sound! Turn up the volume and pump up the bass with the X-Bass controls and 5-band EQ. Turn on the 7-colored neon style light show and party all night long. Wirelessly stream from any Bluetooth device, or listen to downloaded content via USB/SD media or the built-in FM tuner. Play along with the 1/4 in. guitar jack with separate volume control and sing along with the 1/4 in. microphone jack with dedicated volume/treble/bass and echo controls. it boasts a built-in trolley handle and wheels for easy transport.