Sierra Wireless Overdrive 3G/4G Mobile Hotspot (Sprint) Enjoy wireless broadband connectivity via both Sprint's 3G Mobile Broadband network and its 4G WiMAX network Connect up to five Wi-Fi-enabled devices simultaneously--including laptops, gaming devices, cameras and MicroSD slot for use with cards up to 16 GB in size; can be tethered via USB extension cable Up to 3 hours of use, up to 36 hours (1.5 days) of standby time What's in the Box: hotspot modem, battery, back cover for modem, AC charger, USB to USB micro cable, quick start guide