Irvine offer Power bank, 3G MIFI(Just need SIM card for network), Wifi through LAN, no need extra 3G dongle. power bank for 5200MA, can charge Iphone for 4 times ,work time for 12 hours and stand by time up to 10 days. Indoor wire wifi connnet a LAN cable, it can share up to 10 users at the same time. Product Specification: * 5in1: As a Portable mobile charger-5200 mAh, 3G portable Hotspot * Just need SIM card for network, no need extra 3G dongle * power bank for 5200MA, can charge iphone for 4 times ,work time for 12 hours and stand by time up to 10 days * It can support 32G TF card, AP amplifier, LAN Interface, Wi-Fi:802.11b/g/n * Micro SD card support up to 32GB, It can share up to 10 users at the same time.