The Bose SoundLink Max is a premium portable Bluetooth speaker engineered to deliver big stereo sound with deep, rich bass. This rugged speaker features an IP67 waterproof and dustproof rating, making it ideal for outdoor use at the beach or poolside. It is constructed with a powder-coated, silicone-wrapped steel enclosure that is resistant to rust, shocks, and UV light. For ultimate portability, it includes a unique removable climbing-rope handle. The built-in rechargeable battery provides up to 20 hours of playtime and supports USB-C charging out to power your mobile devices while you listen. Additional features include Bluetooth 5.3 connectivity, a 3.5mm AUX input for wired sources, and compatibility with the Bose app for adjustable EQ settings and multi-room pairing via SimpleSync