Mandaer Portable Bluetooth Speaker -- Small body, big energy sound. Adopting the latest Bluetooth 5.2 technology ensures a stable and fast connection experience, so you can enjoy high-quality music at any time, whether at home or outdoors. The built-in high-fidelity audio unit brings clear, full and infectious sound effects, whether it's the passionate passion of rock music or classical music, all can be perfectly presented. The stylish and durable design is waterproof and dustproof, so you can enjoy your music at the beach, on the beach, or during outdoor adventures. Mandaer is a professional bluetooth speaker supplier, specializing in custom bluetooth speaker since 2013.