Twin 5-Watt Bluetooth speakers for rich sound Waterproof design with strong suction cups (IP67 rated) Onboard controls for music, volume, and calls Operates up to 8 hours per charge Compatible with iPhones, Android devices, and more Twin 5-Watt Bluetooth speakers for rich sound Waterproof design with strong suction cups (IP67 rated) Onboard controls for music, volume, and calls Operates up to 8 hours per charge Compatible with iPhones, Android devices, and more