B22 Waterproof Fitness Smart Bracelet Heart Rate Monitor for iPhone/ Android

24-hour real-time automatic monitoring: The HQBEI Activity Tracker accurately tracks and records your fitness data such as pedometer, distance, calorie burn and sleep quality. Better understand your health level for further improvement.
Make your life better: unique design, 0.96-inch TFT color screen, providing excellent HD image quality and the ultimate visual experience. The replaceable two-tone strap makes the bracelet no longer monotonous, and health and fashion coexist.
Smart Message Notification: With a high-speed, stable Bluetooth 4.0 connection, this smart band will vibrate to alert you when there are incoming calls, text messages and SNS messages. What's more, it's equipped with camera control, which is very convenient for your daily life.
Built-in USB and long standby: The built-in USB plug allows any USB module and computer to be easily charged. No charging cable is required. A full charge can provide you with up to 7 days of extra long working hours. You should enjoy a more efficient life.
Extensive compatibility and assurance: This app is only available for smartphones with Bluetooth 4.0, Android 4.4 or above or iOS 7.1.
lifetime technical support.