Xtreme Xfit Watch Pink/Black Bluetooth Activity Tracker (2 Bands) Follow your progress for activities with a realtime indicator on the display of the Xfit Watch. See calories burned for activity, steps take on your run, or percentage remaining to meet your goal, all at a glance. The xFit App is required to set up and record your tracking history. Track your calories burned by activity, sleep history, or distance traveled all in one convenient app that connects to your Xtreme Xfit Watch The Xfit Watch wireless syncs with your mobile Andorid 4.3+ or iOS 6+ devices via Bluetooth One of the necessary steps in becoming healthiers is a good nights rest. Xfit Watch measures not just the time you sleep but also the quality