State-of-the-art design SoundLink Flex outdoor speaker is packed with exclusive technologies and a custom-engineered transducer for deep, clear and powerful sound. The SoundLink Flex Bluetooth speaker is engineered to deliver clear; deep sound that's powerful enough fill a room and loud for outdoor adventures. No matter the orientation; PositionIQ technology optimizes sound. It has a sophisticated; inviting aesthetic and an industrial design that blends durability; portability and utility. With its silicone body; powder-coated steel grille and reliable utility loop, it goes where you go and plays like you play. Listen to music while hiking, camping or paddleboarding—even taking a shower or enjoying a sunset on the patio. Its highly durable materials allow it to withstand the elements and mishaps—from drops to shocks. The loop can attach to a clip or carabiner, so you can hang it almost anywhere. And the speaker’s been rigorously tested to meet IP67 rating, which means it's waterproof and dustproof. Dunk it in water or leave it in the rain, it'll keep playing. It also has long-lasting battery life, offering up to 12 hours of unplugged play time per charge. For even more immersive sound, pair your with another Bose connect smart or extend your listening experience from inside your home or outside. Features: Delivers bass PositionIQ detects orientation for sound Packed exclusive technologies ensure astonishing sound Waterproof and dustproof (IP67) Rugged, portable withstands drops, crushing, shocks and rust Up to 12 hours of battery life on a single charge Take phone calls through built-in microphone Pairs with other speakers Hang loop Maintains a secure stance when playing in an upright position Rechargeable lithium-ion battery offers 12 hours of playtime Power using USB-C to USB-A charging cord Easy-to-use buttons no matter the speaker's position Connects to phone, tablet, and other devices Remembers the 8 most recently used devices Use the multifunction button to access your phone's Siri or Google Assistant voice input Bose Connect app updates your speaker with the latest software