Black: EU: B1 3 7 8 20 38 40 41 frequency band White: EU: B1 3 5 7 8 20 40 frequency band Applicable to Southeast Asia, Middle East, Africa, Europe (not supported for use in the Americas) 1.Say goodbye to expensive telecom bills - with this unlimited data card, you can enjoy the super speed experience for free everytime and everywhere. 2.High-speed transmission of signals - With a wireless connection speed of up to 150Mbps, you'll enjoy a powerful web experience blazing-fast data transfers, ideal for HD streaming, online gaming and large file downloads. 3.Miniature Design - The miniature USB Wi-Fi adapter is more portable than traditional adapters, making it ideal for taking it with you as you travel. 4.Multi-device sharing, no internet charges.You can also take it with you when you go out and save on mobile traffic. Product size: 10 * 6.8 * 1.3CM/3.9 * 2.6 * 0.51in Single unit weight: 0.155KG