Upgraded Driver Technology: soundcore 3 Bluetooth speaker has dual drivers with 100% pure titanium diaphragms that extend treble up to 40kHz and minimize distortion. Enhanced Bass: Dual passive radiators and upgraded BassUp technology work in tandem to pump up the bass in real-time—even at low volumes. 16W Stereo Sound: soundcore 3’s stereo sound makes your music sound more immersive and pumps up the atmosphere in both indoors and outdoor spaces. 24-Hour Playtime: soundcore 3 Bluetooth speaker is perfect for taking on days out or weekends away thanks to its ultra-long playtime that lets you listen to up to 480 songs on a single charge. IPX7 Waterproof: Drench soundcore 3 Bluetooth speaker in the shower, submerge it in the pool, or get it soaked on a rainy day—the IPX7 waterproof case will still protect all the important stuff inside.