The Sony SmartWatch allows you to email, text and make social network updates on a 1.3-inch OLED touch display. The SmartWatch costs $150, while colored sporty rubber armbands are available for $20. The watch syncs up with any smartphone running Android 2.1 or higher, using a Bluetooth 3 connection and a free app from the Google Play Store. Currently, there are 30 mini-apps that allow the SmartWatch to operate essentially as a remote control for your Android smartphone.