State-of-the-art design—SoundLink Flex outdoor speaker is packed with exclusive technologies and a custom-engineered transducer for deep, clear and immersive audio at home or on the go Clearest possible sound—Proprietary PositionIQ technology automatically detects the position of your portable Bluetooth speaker for optimal sound quality in any orientation or environment Waterproof wireless speaker for travel—SoundLink Flex is rigorously tested to meet IP67 waterproof speaker standards. Crafted and sealed with waterproof materials, it even floats—ideal for outdoor adventures Portable Bluetooth speaker—Built to resist water, dust and debris, in a design that withstands drops and rust, this compact speaker goes wherever you do. It’s also easy to hold and store, and is resistant to corrosion and UV light Rechargeable wireless speaker battery—Portable speaker charges through USB-C cable (included). Lithium-ion battery offers up to 12 hours of life per charge Included Components: bluetooth speaker, usb-c to usb-a charging cable, quick start guide, safety sheet Power Source Type: battery powered