Function: 1. Micro SIM card slot: This 4G USB Wi-Fi router comes with a micro SIM card slot that can simply be inserted to enjoy high-speed internet access (SIM card not included). 2. High speed 150 Mbps: This WiFi SIM module provides data transmission rates of up to 150 Mbps. Enjoy fast 4G network and stable signal anytime, anywhere. 3. 4. WPA encryption: This 4G Wi-Fi router uses multiple security features and WPA/WPA2 Wi-Fi encryption, effectively prevents network squatting and supports data control. 5. Lightweight and portable: This portable Wi-Fi hotspot for travel can be used indoors or outdoors without internet access. Put it in your pocket, backpack and purse. Specification: Item Type: USB WiFi Adapter Material: plastic, electronic components Type: Inserting Card Card slot: Micro SIM card slot x 1 (card not included) Network bandwidth: 1/3/5/7/8/20/28/38/40/41 Share: up to 10 users How to use: Install and use List of packages: 1 x USB WiFi Adapter 1 x User Manual