SIM Card Slot----Simply insert a standard SIM card, whether it is a mobile phone, laptop, desktop or tablet, you can easily connect to wifi (SIM card not included). High Speed Internet Access---4G Mobile WiFi mobile router is designed to provide users with 3G 4G high speed Internet access, supporting the 3G 4G main frequency band of most countries and operators in the world. Support---Mobile WiFi is mainly for car users, business travelers and outdoor travelers, and supports 10 users at the same time. Support for Windows7 8 10 for Linux. 2100mAh Large Capacity Battery---Standby up to 72 hours, faster, more durable, and more portable SIM card insertion function, enjoy 4G mobile Internet wifi LED smart display, easy to operate. Lightweight And Portable---The lightweight, thin and compact design makes it easy for you to carry; whether you work from home or travel, the 4G travel LTE router allows your wifi to follow your footsteps around the world.