iBackPack: Revolutionary Wearable Technology. The Next Generation Backpack. 4 USB Ports, GPS System, WIFI Connectivity, Proximity Alerts, iOS/Android App, Massive batteries. Provides 3G&4G Wifi, iBackPack mobile apps, a bluetooth speaker system, 4 USB Ports & a retractable power cord, Personal WiFi Hotspot, GPS Tracking System, Bluetooth Proximity Locator, Anti-Theft System, and a Massive Battery Bank. Can charge up to 6 iPads from scratch!