Powerbag Gadget-Charging Bags (Backpack, sling, or messenger bag)
•Backpack, sling, or messenger bags charge smartphones, tablets, and MP3 players
•Built-in Apple, micro- and mini-USB connectors, as well as a female USB port
•Charges up to four devices or two cyborgs at once
•Quick-access charging pockets
•Side-entry laptop compartment
•Backpack with contoured suspension straps
•Messenger bag with adjustable, removable shoulder strap
•Versatile left or right side strap on sling
•External one-touch battery indicator
•Backpack dimensions: 4.5''x13.5''x23''
•Messenger dimensions: 4.25''x19.75''x15.5''
•Sling dimensions: 4.5''x14.5''x22.5''