NIKE + SportWatch GPS Running Watch with Sensor, Volt/Black - NONE
+ SportWatch GPS Running Watch with Sensor. Think Less, Run Better Put on your Nike+ SportWatch GPS, go outside and run. The Nike+ Sensor is optional. Tap the screen to mark laps and activate the backlight during your run, and personalize the data that you want to see during your run. For direct connect, USB contacts are built into the watch strap-just plug the watch directly into a USB port on your computer to upload run data and recharge the battery. Enhanced Accuracy Using GPS by TomTom w