Astonishing sound for any adventure. The Bose SoundLink Flex Bluetooth Speaker is the perfect musical sidekick, with a waterproof, dustproof, life-proof design that can handle whatever comes your way - with dazzling sound and deep bass. Whether you're exploring the city, relaxing by the beach, or hosting friends, the powerful SoundLink Flex elevates every moment. Rigorously tested to meet an IP67 rating, SoundLink Flex is waterproof and dustproof inside and out. It even floats! Protected against dust, it's perfect for beach trips. Its rugged design features a powder-coated steel grille and silicone exterior, making it adventure-ready and resistant to rust, corrosion, and UV light. Packed with state-of-the-art tech, its innovative transducer ensures the clearest possible sound with distinct instruments, nuanced vocals, and balanced treble and bass. PositionIQ Technology automatically adjusts to its orientation for optimized sound, whether upright, on its back, or hanging. Enjoy up to 12 hours of playtime on a single charge, with quick recharging via USB-C. Pair with other Bose Bluetooth speakers in Party Mode for enhanced sound. Personalize settings, unlock features, and update software with the Bose Connect app. The built-in microphone allows for calls, and Bluetooth connectivity pairs with phones, tablets, or laptops from up to 30 feet away, remembering up to eight devices.