JBL PartyBox 310 audio system (maximum output 240 W) features two woofers and two tweeters. Music playback supports Bluetooth, USB, and a 3.5 mm AUX input. Two separate inputs allow connecting a guitar and a microphone, or two microphones; signals can be mixed with the audio source using independent volume controls.

Controls are on the top panel; in low light, automatic button backlighting turns on. Remote control via smartphone or tablet is available through the JBL PARTYBOX app. True Wireless Stereo (TWS) allows linking two compatible speakers via Bluetooth for synchronized playback. Wired daisy-chain connection of multiple devices via 3.5 mm DAISY CHAIN connectors is also supported.

Power is supplied by a built-in battery or AC. A full charge provides up to 18 hours of operation. Speaker weight is 17.4 kg. For easier transport, a telescopic handle and wheels are included.

Included in the set: JBL PartyBox 310 speaker and AC power cable.