2100mAh Large Capacity Battery: Standby up to 72 hours, faster, more , and more portable SIM card insertion function, enjoy 4G mobile Internet LED smart display, easy to operate. Note: The product use marco SIM cardHigh Speed Internet Access: 4G Mobile 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. Note: Before turning on the product, please check whether there is a spacer sticker on the supporting battery interface, if so, please tear off and turn on the product, otherwise it can not be turned on.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 to follow your footsteps around the world.Support: Mobile is mainly for car users, business travelers and outdoor travelers, and supports 10 users at the same time. Support for 8 10 for Linux.Wide Compatibility: Simply insert a standard SIM card, whether it is a mobile phone, laptop, desktop or tablet, you can easily connect to (SIM card not included).