1.STATE-OF-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 2.CLEAREST POSSIBLE SOUND: Proprietary Position Qtechnology automatically detects the position of your portable Bluetooth speaker for optimal sound quality in any orientation or environment 3.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 4.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 resistant to corrosion and UV light 5.RECHARGEABLE BATTERY: speaker charges through USB-C cable (included). Lithium-ion battery up to 12 hours of life per charge 6.BUILT-IN MICROPHONE: You can make and receive calls through the portable Bluetooth speaker. Just one button accesses your phone's Siri or Google Assistant voice input 7. CONNECT APP: App automatically updates the portable Bluetooth speaker with the latest software, allows you to customize settings, unlock product features, and more