It is mainly aimed at car users, business travellers and outdoor travellers and supports 10 users simultaneously. the portable Wi-Fi hotspot is designed to provide users with high-speed 3G 4G Internet access, supporting the main 3G 4G bands in most countries and operators worldwide.the LTE mobile router has a SIM card insertion function, just insert a standard SIM card, whether it is a mobile phone, laptop, desktop or tablet it can easily connect to WiFi. Nota. Please check whether there is an insulation sticker on the battery interface before switching on, if there is, please detach and switch on, otherwise it cannot be switched on Type: insert card Card slot: standard SIM card (SIM card not included) Battery type: built-in 2100 mAh lithium battery (included) Sharing: up to 10 users 4G LTE bands: B1, B3, B5, B40 3G UMTS bands: B1, B8 Peak speed: 150 Mbps download, 50 Mbps upload WIFI: 802.11 b/g/n support Packing list: 1 x portable Wi-Fi hotspot 1 x matching battery 1 x charging cable 1 x instruction manual the portable WiFi router has a large capacity battery of 2100 mAh, long usage time and standby time. Support for Windows 7 8 10 and .the portable 4G WiFi router features a lightweight, slim and compact design that is easy to take with you, whether you are working from home or travelling.