Speaker backpacks! BackTrakz is changing the way you listen to music on the move with our one-of-a-kind backpacks. Combining style with function, our bags look and sound great, all while providing you with enough space for any items you wish to carry. BackTrakz has been used for hiking, school, skating, the beach, and even snowboarding! Invented with the adventurous san diego lifestyle in mind, they are durable, stylish, and sound even better than they look. Our Mk.II bags feature a built in USB phone charger backed up with a 4000mAh powerbank, that can charge your device for 4+ hours or play music for days on end. Our speaker system is fully integrated into the backpacks and has speakers on either side of you, giving a surround-sound experience. Each backpack is hand-built and tested, to ensure quality and a long lifetime. Check us out on Youtube, Instagram, or Facebook to stay up to date with our latest products. @BackTrakz