Uses a USIM card to connect to the Internet, Compatible with 802.11n/g/b wireless devices, Micro-USB port for easy charging, Connect up to 8 Wi-Fi devices, Charge your smart devices thanks to power bank feature using OTG cable, Up to twelve hours of battery in one charge so you stay connected longer, Small size lets you drop it in a purse or pocket and take it wherever you go, WPA/WPA2 Wi-Fi security protocols for industry