Do you get a sore and aching back from lugging around a heavy backpack all day? Then slip on this cool new SwissDigital Cosmo 3.0 Massaging Backpack instead. This innovative backpack features built-in massaging rumblers to soothe muscle aches, a high air-flow back panel design to stay cool, a pre-wired USB electronic device charging port, RFID protection, a padded 15.7" laptop compartment, 3 zip pockets, and 7 wall slip pockets. The massagers run off your phone's battery or use an optional battery pack to charge up the phone and get a massage at the same time. Perfect for walking commuters, urban travelers, students, exploring the great outdoors, people who feel the need to bring a ton of unnecessary stuff with them everywhere they roam, or just anyone who loves back massages on the go.