HR Fitness Activity Tracker ID107 Heart Rate Bracelet --- Veryfit 2.0 APP Continues HR monitor, strap-free heart rate tracker. A simple way to start with the heart. Track steps, heart rate, distance, calories burned, active minutes. Monitor incoming calls, Caller ID, time and date, daily stats with vibration alerts, automatically light up when you turn over hand. Product Features: Brand: Riversong Type: Fitness Tracker Color: Blue TEN POWERFUL FUNCTION: Heart Rate Monitor, Pedometer, Sleep Monitor, Sedentary Reminder, Calories Burned Measuring, SMS Reminding, Call Reminder, Incoming Calls Show, Find Your Phone, Camera Remote Control etc. MADE OF HIGH-QUALITY TPE: Soft and skin-friendly, comfortable wear experience. Attach it to your wrist and just sort the snaps into place.  COMPATIBLE WITH: iPhone 4S or above (iPhone 4S, iPhone 5, iPhone 5S, iPhone 5C, iTouch5, iPad3, iPad4, iPad air, iPad mini etc IOS 7.1 or above system) ; Android 4.4 or above;Bluetooth 4.0. (Download APP "Veryfit 2.0 APP for heart rate" from Apple Store or Google Play. Smartphone and tablet only, not for PC) BRILLIANT BATTERY: Long-lasting battery, just need to charge 2 hours and then you get a 7 days standby fitness tracker. OLED Screen Heart Rate Monitor Touch button Improved pedometer algorithm 70mAh battery Black