EIISON Fitness Tracker with Heart Rate monitor E2S Activity Watch Step Walking Sleep Counter Wireless Wristband Pedometer Exercise Tracking Sweatproof Sports Bracelet for Android and iOS IMPROVE SLEEP PATTERNS AND HABITS WITHOUT DISTURBING YOUR PARTNER -- Monitor how long and well you sleep, and wake only you (not your partner) with a silent alarm. ADVNCED BLUETOOTH TECHNOLOGY MAKES YOUR LIFE EASIER -- Sync stats wirelessly and automatically to virtually any and every brand/model of Smart Phone. You get to take advantage of Bluetooth 4.0 making connecting and transferring data to your Phone or mobile device a breeze every time. RATED ACTIVITY TRACKER IS EQUIPPED WITH A HEART RATE MONITOR  As seen on FOX, NBC, ABC & CBS! Use this revolutionary new device to track not only your heart rate, but steps taken, distance traveled, calories burned and active minutes. ZERO EXTRA BULK TO YOUR DAILY ROUTINE! --Slim, comfortable and easy to wear. You will barely feel like you have anything on your wrist at all. WATERPROOF -- TPU material waterproof, not afraid of washing hands/ doing housework/ walking under rain.