This speaker cooler is a portable outdoor equipment that integrates cold and warm insulation with Bluetooth speaker. It adopts a multi-layer thickened structure, with the inner shell made of food-grade PP material (cold and heat resistant, can directly contact food), the middle layer is a polyurethane foam insulation board (an ideal thermal insulation material for freezing and refrigeration), and the outer shell is made of PE material (good mechanical properties, firm and impact resistant), which can achieve long-term insulation and cold retention for up to 48 hours, with efficient fresh-keeping and refrigeration. It is equipped with a portable handle, a sealed lock, and a sealed rubber ring. The detailed design is considerate, making it convenient to carry and excellent in insulation.
