• Bluetooth(R) 5.1 connectivity streams music up to 33 ft. away; aux and microSD(TM) Card inputs for additional music sources;• Built-in microphone for hands-free speakerphone use with all Bluetooth(R)-enabled smartphones;• Frequency response: 40 Hz to 20 kHz;• Speaker driver and passive sub for deep, robust listening experience;• Waterproof and dustproof (IP67), floating, all-terrain design is rugged and durable for life outdoors;• Built-in, rechargeable Li-Ion battery with up to 7 hours of music playback time;• Includes carabiner clip, USB cable, aux cable, instruction manual, and warranty card;• Blue;

Coleman CBT30-BL Aktiv Sounds CBT30 5-Watt Waterproof Bluetooth Rechargeable Min