Jio MF680S 4G+ Wireless SIM Card Router Portable WiFi 1. Support 10 devices to connect at the same time, stable connection, not easy to fall off, the device will not heat up 2. High security level, support WPAWPA2 encryption, effectively prevent all kinds of virus attacks 3. longer use time, high performance, high efficiency, environmental protection, low power consumption 4. Lightweight and compact, easy to use 5. Support Telecom, Unicom, Mobile 4G, no longer worry about where no network can not access the Internet 6. Does not include a traffic card, support for external SIM cards 7. Battery capacity: 2100mAh 8. Use time: about 6-8h 9. Asian version: 4G LTE B1B3B5B8B38B40B41 10. European version: for EuropeAfricaAsiaMiddle East 4G LTE B1B3B7B8B20B38B40B41 11. Size: about 9.8 x 5.9 x 1.55cm