Beat the cold this winter with the WinterCase Hand Warming Smartphone Case. The WinterCase makes holding and using your device more enjoyable no matter how low the temperatures. Additionally, it makes taking calls in sub-zero temperatures super easy. Offering protection on all sides, this device actually heats to warm up your hands for three hours. In addition to keeping warm, the WinterCase also holds enough juice for a full re-charge of your smartphone. Compatible with Samsung Galaxy and iPhone smartphones, the WinterCase comes in four stunning colors. Even with all of these features, your device remains accessible with a camera slot, open buttons, charging ports, and speakers. Overall, the WinterCase is perfect for anyone in a cold climate. Use it on your commute, while you wait in line, or even on the slopes. Your hands will thank you.