Bluetooth Backpack Speaker | Portable USB Charger, Dual Hi Fi Speaker, Nylon Hard Shell Waterproof Material (Stealth Grey)

No need to carry around portable speakers. Carry with you Hi-fi sound everywhere you go.
Hard shell nylon water proof material. Lots of space inside for books and laptops. Water resistant
5-6 hours of playback time. Comes with built-in cords for Android and iPhone.
Anti theft features the zippers on the back of the backpack.
5lb. And 12L of cargospace inside