Charge via USB device. Internet connection sharing, up to 10 users can access the Wi-Fi network at the same time. It can be charged via computer USB port/power bank/car USB charger/power supply. Perfect for travel, outdoor work, no internet at sea orin the mountains. - Use 4G wifi router to bring WiFI and search internet. Easy to carry in your pocket. Europe, Asia and Africa Frequency: FDD-LTE: B1/B3/B5/B7/B8/B20/B28 TDD-LTE: B38/B40/B413G Working network frequency: WCDMA B1/B5/B8 Dimensions: 9.22 x 2.82 x 1.24 cm Material : Plastic color: White Package Contents: 1 x 4G USB WiFi Modem only the above package contents, other products are not included. Note: Light reflections and different monitors may cause the color of the item in the picture to be slightly different from the actual item. Measurement tolerance is +/- 1-3 cm. .Items from Sheng Xinshun's shop