About this product • Strap type: Shoulder. • Closure type: Zipper • 1 [Waterproof Dry Bag with Built-in Bluetooth Speaker] First in Japan! A waterproof Bluetooth speaker and a waterproof dry bag are combined into one product! The fusion of outdoor and entertainment! You can take your favorite music even underwater! It also has an LED light that illuminates in sync with the music! It instantly transforms your outdoor space into an entertainment space! It can also be used as a lantern in outdoor scenes like camping! • 2 [High-Quality Waterproof and Dustproof Performance] Made with 500D PVC material, it boasts high waterproof and dustproof performance. It has achieved IP66 for waterproof performance. It offers excellent durability and airtightness. It's perfect for the beach, pool, hiking, camping, ski resorts, and more! It's a bag for outdoor enthusiasts! You can also store wet clothes, making it useful as a gym backpack! • 3 [3-Way, 20L Large Capacity] The Sound PAQ comes with two shoulder straps, allowing it to be used as a duffel bag, shoulder bag, or backpack – a 3-way specification! You can switch between them depending on the situation! It also has a generous 20L capacity, perfect for storing items for family or group outings! • 4 [Also Useful as Disaster Preparedness Gear] The built-in Bluetooth speaker can be charged via USB, and it also supports solar charging! The built-in LED light also has an SOS light function! It's useful in emergencies or disasters that may occur while enjoying the outdoors. Use it as an outdoor backpack in normal times and as an emergency disaster bag when needed. • 5 [We are confident in our quality] We offer a 1-year manufacturer's warranty from the date of purchase. If any defects occur, our Japanese staff will respond promptly, so please feel free to contact us. A Japanese company guarantees quality to Japanese standards. [Accessories] 2 shoulder straps, Japanese instruction manual, USB charging cable