There is a battery protection insulating tape on the battery, please tear it off before charging, and then put the battery into the product to charge. Mobile MiFi 4G-LTE Smart WiFi Box You Can Get It If You Think About It Function Selling Point Broad signal / high-speed Internet acce / good signal Intelligent identification of each signal is suitable for the device / 4G Internet speed, up to 150MBps / can maintain a good signal even in mountainous areas Detachable battery / triple netcom / multi-person sharing Detachable 2000mAh polymer lithium battery / Telecom, Mobile, China Unicom are applicable / Up to 9 devices can surf the Internet at the same time Plug and Play / Intelligent Management / Portable Insert the SIM card to enjoy high-speed Internet acce / Intelligent background management, MAC addre filtering, etc.. / Beautiful design, mini, light and easy to carry Width: 58.6mm Length: 97.5mm Thickne: 18mm Imagine 4G High-Speed Network Exclusive 4G high-speed network, the network speed is equivalent to 100M optical fiber to easily play large-scale games Blu-ray movies Downlink 150Mbps / Uplink 50Mbps Imagine big games with ease Quickly download an HD movie online Live broadcast is easy and fun Fully Compatible With Multi-Person Sharing Support multiple devices to use at the same time Smart Bluetooth Speaker / Smart Watch / Robot Vacuum / Smart TV Smart Robot / Webcam / Smartphone Tablet / Laptop Desktop Play Games Without Lag High bandwidth, high frequency transmiion, low latency, low power consumption More Scope Of Application Enjoy Wifi Anytime, Anywhere Party, travel, busine trip, outdoor live broadcast, game Outdoor Party, Camping / Network For Busine Travel / Outdoor Live Broadcast This product has better signal receiving ability and more signal adaptability than mobile phones, even in the wild mountains, it can receive more signals than mobile phones, allowing you to enjoy the fun of surfing the Internet! broadcast Always And Everywhere Intelligent Power Identification Design, Bid Farewell To The Anxiety Of Network Disconnection Even if the built-in battery is out of power, you can use USB charger, mobile power supply, car charger, etc. for power supply; if you use USB power supply for a long time, you can remove the battery to reduce battery lo and use risk. * Ordinary MIFI cannot continue to work without installing a battery and only using USB power supply. It must be powered on with a battery installed and charged. It can be powered by USB charger, mobile power supply, car USB charger, computer USB, etc. Product parameters Product Name: 4G Portable WIFI color: White WIFI rate: 150Mbps Battery: 3000mAh removable battery Power interface: Android USB Device connection: 10 users Battery life: 4-6 hours Standby time: 48 hours Operational Use Find the WIFI name and paword SIM card slot (for micro SIM card) Insert the card / The power-on signal indicator is always on / Enter the WIFI paword / Connect to the Internet Acceories List Packing Box / Chinese User Manual / Charging Cable / Polymer Lithium Battery