The 'Trakk Shell' waterproof backpack from Trakk Designs is intended to offer a spot to store all of your essentials, while also enabling you to listen to your favorite music wherever you are. Engineered with 20W HiFi Bluetooth speakers, the backpack also boasts a 20W output subwoofer to maximize the bass that's achievable. The battery pack within the design is rated for up to 12 hours of straight use to ensure it's ready for day trips or even extended vacations.
The 'Trakk Shell' backpack is completely waterproof to shield the technology within from damage and to keep your personal items dry. The backpack has a 5,200 mAH battery that is used to power the speakers, but can also be used to charge your devices via the incorporated USB ports on the exterior.