Sound for any all-day runway. The SoundLink Flex Portable Bluetooth speaker is the perfect chic musical sidekick, with a waterproof, dustproof, life-proof design that can handle whatever comes your way with dazzling sound and deep bass. So whether you're storming the city, hanging by the beach, or just having friends over for dinner, the powerful SoundLink Flex helps you elevate the moment. Features Clear, high-quality audio with deep bass in a portable design IP67 waterproof and dustproof construction with durable silicone exterior PositionIQ technology automatically optimizes sound based on speaker orientation Bluetooth wireless streaming with multipoint pairing support Built-in microphone for hands-free calls Up to approximately 12 hours of battery life Pair two compatible Bose speakers for Stereo Mode or Party Mode Compatible with the Bose app for EQ adjustments and device control Integrated utility loop for easy carrying or attachment USB-C charging port Sound that takes you places Perfectly portable The power to play all day Add music to any adventure and go further. Just press play. Pack your playlist, no problem. SoundLink Flex is small and light enough to fit in your hand, throw in a bag, or clip to a backpack. It’s easy to keep exploring when you’ve got up to 12 hours of battery life.