1. SIM Card Slot: This 4G WiFi router utilizes a SIM card slot. Simply insert your SIM card and install a battery to enjoy high-speed internet access. 2. Up to 10 Users: Supporting up to 10 users, this 4G LTE router is compatible with Win 7/8/10 and Linux, making it perfect for car users, business travelers, and outdoor adventurers. 3. 150 Mbps High Speed: Delivering up to 150 Mbps transmission speed (supporting 802.11ac protocol), this 4G wireless router is applicable to Europe and Asia. 4. 2100 mAh Battery: Equipped with a 2100 mAh rechargeable battery, this USB WiFi modem can be easily charged via USB cable, ensuring extended standby time. 5. Widely Compatible: This SIM WiFi dongle is broadly compatible with mobile phones, laptops, desktops, and tablets. Its lightweight and slim design makes it highly convenient and portable.