Rechargeable battery: Yes

With 550 Watts of system output power

Wireless Microphone Receiver Max Output Level: < 1VRMS

5mm aux input

JBL Go 4 Duo loudspeakers Rechargeable battery: YesINSTANT STEREO SOUND IS JUST A TOUCH AWAY Bold and loud, the ultra portable JBL Go4 Duo fits in the palm of your hand. Simply touch your speakers together to pair via AirTouch for immersive stereo sound, or connect multiple Auracast enabled speakers to fill your space. Specced for hangouts from Bishan Park to Tanjong Beach, these Bluetooth speakers are IP67 waterproof and dustproof with 7 hours of playtime, so you can hit play on a playlist that