- PORTABLE SIZE: Mobile wifi hotspot comes in a lightweight and slim design, very easy to carry around, convenient for your travel and business trips. WIDE COMPATIBILITY: Mobile wifi hotspot is widely compatible with cell phones, laptops, desktops and tablets. - WITH SIM CARD SLOT: The 4G WiFi Router with SIM Card Slot provides users with high speed Internet access by simply inserting a SIM card and installing the battery. UP TO 10 USERS: Wifi hotspot supports up to 10 users for Win 7/8/10, for Linux, perfect for car users, business travelers and outdoor travelers, etc. - BATTERY POWERED: The Portable wifi hotspot is powered by a 2100mAh battery to ensure longer standby time.