How do you make sure your HTC Thunderbolt 4G is charged and synchronized? The KiDiGi Desktop USB Cradle is the simplest, best way to keep your Mobile Device charged up and up to date. The Cradle also protects your Mobile Device by keeping it from tipping over and hurting itself. Tailored specifically to your Mobile Device model, the USB cradle fits your Mobile Device like a glove. It s perfect for keeping your handy on your desk at your office of home. Special Features: Data HotSync and battery charging on your desk with a cradle Support charging 2nd battery Protection circuit LED power indicator AC Adaptor Power and USB 2.0 micro USB Cable Included