1. 10 devices can be connected at the same time, stable connection, not easy to fall, the device will not heat up 2. SIM card plug and play 3. Transmission rate: 50-150Mbps 4. Wireless standard: 802.11b/g/n 5. Interface: Type-C 6. Battery capacity: 2100mAh 7. Output: DC 5V 8. Operating temperature range: -10 - 45 degrees Celsius 9. European version: 4G LTE B1/B3/B7/B8/B20/B38/B40/B41 10. Asian version: 4G LTE B1/B3/B5/B8/B38/B40/B41 11. Size: about 9.8 x 5.9 x 1.5cm 12. Weight: about 90g