Scosche RHYTHM+ Heart Rate Monitor Armband

Exercise more efficiently and burn more calories Comfortable armband precisely determines heart rate. No chest strap needed Rechargeable battery supplies up to 8 hours of exercise time Wireless workout from up to 100 ft. away from your gadget! Compatible With: iPhone 5S iPhone 5C iPhone 5 iPhone FOUR iPad mini with retina iPad mini iPad (4th gen) iPad (3rd gen) iPod touch (5th gen) Samsung Galaxy S IV The Rhythm+ Optical Heart Rate screen's ANT+ Connection works with Garmin Forerunner, Vivo Fit, Suunto ambit 3, Viiiiva, and entirely takes the place of your heart rate monitoring chest strap. The Bluetooth 4.0 connection deals with all the popular physical fitness tracking apps such as digifit, wahoo, strava, mapmyfitness, endomondo, runkeeper, runtastic, ismoothrun, and more!