The Sony Smartband is a wristband that gives you control of your mobile device and monitors your health.
You can adjust the volume on your device while you are listening to music or on a call. The Smartband will also vibrate when you receive an important message.
The Smartband can be used to keep track of your fitness schedule and health by letting you know when you have reached certain fitness goals like running a mile, for example.
You can purchase a Smartband from Sony for around $138. Straps for the unit come in a variety of different colors and can be purchased for around $43 each.