Superior sound performance with three-way speakers The Harman Kardon Go + Play 3's three-way speaker design provides a detailed, clear stereo soundstage. Its down-firing 5” subwoofer delivers thunderous, accurate bass. Dual tweeters and mid-range drivers provide flawless vocal and instrument reproduction, while an additional front-mounted passive radiator kicks out the punch. Signature design elegantly crafted with premium materials Harman Kardon's Go + Play 3 has a familiar shape but in its latest generation features a tempered glass-top touch panel that is responsive and completely intuitive to use. The grille fabric is subtly eye-catching, and the sleek but sturdy high-quality aluminum handle is ergonomically designed to make it easy to carry around your home. Built-in battery With its rechargeable built-in battery, you can enjoy the Harman Kardon Go + Play 3 anywhere in your home, and easily transport it from one room to another for up to 8 hours of playtime. Bluetooth music streaming The Harman Kardon Go + Play 3 pairs seamlessly with up to two mobile devices simultaneously. Take turns sharing playlists and music, all in enhanced, dynamic sound. USB Charging port Never worry about your mobile device running out of juice while you're streaming your favorite audiobook. The USB charging port means you and your device will always be ready for anything.