KuWFi Portable Power bank 4G WiFi Router Hotspot Portable Wireless Unlock Mini LTE WiFi Modem 4G Router with SIM Card Slot (not inclued SIM Card) not Support US Sprint SIM Card 4620mah Power bank 4g lte WIFI Router easy to carry and take in hands , good for travel.( the network band can not work USA SIM Card) 4620mAh of li-polymer battey, continous working for 12 hours Support the charge for Adriod panel computer, smartphone and other portable digital products Supports WEB based management and configuration and change passward or APN it can work with many network band :TDD-LTE: 4G LTE TDD 1900MHz(Band 39) 2300MHz(Band 40) 2600MHz(Band 38) B41(2500MHz)works with USA Redzone Wireless, SpeedConnect, Sprint 4G LTE network