20+ hours of portable playtime: Weighing only 5.5 pounds, the Kilburn II delivers 20+ hours of portable playtime on a single charge. Its compact size and guitar-inspired strap make it perfect for carrying around. Waterproof: Yes MULTI-DIRECTIONAL SOUND: This stout hero features true stereo sound, a unique form of multi-directional sound. Experience absolute 360° sound, where every point is the sweet spot. Powered by 36 watts, its pronounced and clear sound pushes the boundaries of speakers of this size Bluetooth 5.0 aptX: Equipped with Bluetooth 5.0 aptX technology, it can play music wirelessly. Play music on any Bluetooth device up to 33 feet from the speaker Durable and road-ready: With flush-mounted corner caps and a waterproof design, the Kilburn II is extremely rugged and durable IPX2 Waterproof Design: The road is full of surprises, which is why Kilburn II offers a waterproof design. An IPX2 rating means it can withstand a little water Multi-Host Capability: Kilburn II features multi-host functionality so you can easily connect and switch between two Bluetooth devices. Now you and your friends take turns playing what you want to hear CUSTOMIZE YOUR SOUND: Top panel features analog control knobs for bass, treble and volume, allowing you to fine-tune to the exact sound you want Fast Charging: With fast charging function, you can pick up and leave at any time. 20 minutes gives you 20 hours of portable playback, and a full battery can be charged in 2.5 hours.