The Ozark Trail 10 L Dry Bag has an integrated Bluetooth speaker,compatible with all Android and IOS cell phones. This unique dry bag has integrated multi-color LED lights and will shine spectacularly while you play music or can be used as a night light or outdoor light. We also designed SOS mode for emergency situations. A solid roll-top closure system provides a secure watertight seal so you can store multiple personal items. Keep your waterproof bag dry in any wet situation where the bag is not fully submerged. The Ozark Trail bag has a IP66 Waterproof Rating,made of rugged,flexible,and fully waterproof 500D PVC. You could charge floating waterproof camera bag under direct sunshine with the built-in solar panel and never run out of energy on sunny days.