Lenovo unveiled the K900 smartphone at 2013 CES. The slim 6.9mm smartphone features a large 5.5-inch IPS screen with 1080p full high-definition resolution. The phone weighs just 5.7 ounces. It is also features a 13MP dgital camera with n F1.8 focal length lens. The K900 smartphone will be available from April in China and in select regional markets soon thereafter. Pricing has not been announced.