Features: High-sensitivity touch screen, can obtain various operations, information content, steps, calories, distance, weather, heart rate and other functions to quickly view, thus opening smart life. Made of thermoplastic elastomer, more convenient to use, double-breasted design, suitable for exercise and sports You can see the heart rate (forecasted), know your health and exercise status, Photoelectric signal detection principle records your heart rate, 24 hours continuous detection can see your heart rate predicted. Automatically record the number of steps, burn calories. You can choose the exercise program that matches your life rhythm, sweat yourself relaxed. The bracelet automatically detects your sleep and generates a sleep report. When you forget the time, the bracelet vibrates slowly, it irritates you to stand up and wake up. Features: -IP67 waterproof -Charging voltage 5V current 1A-2.1A charging time 2 hours- -Standby time 3-5 days -All day activity tracking: steps, calories burned, mileage and heart rate. -Smart reminder: call reminder, messaging push, sedentary reminder. -More features:phone call, remote camera shooting, stop watching. -Continuous heart rate monitor: continuous, automatic heart rate monitoring on your right wrist in seconds. -0.96'' TFT color touch screen: HD display, easy to read all fitness data. -Customizable watch faces -Android 4.0 and above system, compatible with ios 4.4 and above system Bluetooth 8.0. -APP support language: russian, german, Italian, Japanese, French, simplified Chinese, traditional Chinese, portuguese, Spanish, Arabic, Korean Package includes: 1 * smart wristband 1 * user manual 1 * charging cable