Turn up the volume with the Marshall Kilburn III, engineered to deliver 360-degree True Stereophonic sound that fills any space. Dynamic loudness ensures balanced, full-bodied audio at every volume, while tactile, signature-style controls give intuitive access to bass, treble, and media playback. Bluetooth 5.3 with Auracast, AUX input, and multipoint connectivity keep you seamlessly connected, and the built-in charging bank powers your devices on the go. Designed for durability, the Kilburn III features IP54 dust and water resistance, a replaceable rechargeable Li-ion battery with 50+ hours of playtime, and quick charge capability that provides 8 hours of music in just 20 minutes. Constructed with 38 percent recycled materials, it’s a portable speaker that looks as good as it sounds. Includes: Marshall Kilburn III speaker, USB-C to USB-C charging cable, Quick start guide and Legal and safety information. Dimensions: 10.74" L x 5.9" H x 6.65" W. Weight: 6.17 lbs.