Huawei Wireless  3G Pockect mini router now no need electricity Insert any sim card worldwide in this router , It will produce wifi which you can connect 20 devices . It works8 hours without electricity once its full charge The world’s most compact 21 Mbps 3G router is small enough to fit comfortably into your palm. The one key design blends elegance and practicality to deliver portable network in style. Press and watch it go. It’s as simple as that. Lightning Speed. At Your Fingertips. With the E5330 you can explore the web faster. That’s less waiting while you download and upload your music, videos, and favorite content. Manage.With Ease. With the Mobile WiFi application, managing multiple devices across the same network will no longer be stressful. You can remotely switch on or off your mobile WiFi, check up on battery levels, examine signal strength, read messages,and view all connected devices in one place. All useful, placed together. Engage Through Connections. The E5220 provides access for up to 10 different devices simultaneously, be it laptops, mobiles phones,and tablets. Huawei E5220 Technical Specifications: * HSPA+/HSPA/UMTS 900/2100MHz * GSM/GPRS/EDGE 850/900/1800/1900 MHz * DL 21Mbps / UL 5.76Mbps, Receive diversity * Wi-Fi 802.11 b/g/n, up to 10 devices