X11 Bluetooth Heart Rate Bracelet Smart Watch Wristband Fitness Activity Tracker
Features: Display: 0.66' OLED screen Bluetooth Version: Bluetooth 4.0 Alert Type: Vibration Main Functions:Heart rate monitor, Pedometer,Calorie,Nap reminder,Sleep monitor,Call reminder,SMS notification,Exercise Modes (Running,Biking,Basketball,Football,Kongfu,Kiking,Dancing,Yoga,Golf),Engery Con...