Bluetooth V4.0 Smart Watch Smart Wristband Sports Fitness Tracker Bracelet w/ Pedometer Sleep Monitor Function Excellent Quality Bluetooth V4.0 Smart Watch Smart Wristband Sport Fitness Tracker Bracelet w/ Pedometer Sleep Monitor Function compatible with iOS and Android Smartphones and other bluetooth devices. Color: Black It keeps track of your physical activity, accurately records the number of calories you've burned, monitors the quality of your sleep and with a sedentary reminder that will remind you when it's time to get up and move around, and event trigger to alert you when it's time to take your medicine, drink water, attend meeting etc. Adopts Bluetooth V4.0 for seamless synchronization with a bluetooth-enabled smartphone so you can take incoming calls on your wrist. It records all your call data and will vibrate to alert you of incoming calls. With Camera Remote Control Function. Instead of using the timer or shutter on your phone, you can use the camera function of the smartwatch to capture the shots. With built-in Anti Lost Alarm. It will alert you if the distance between watch and phone exceeds what was set. Comfortable and lighweight, stylish and functional, this fitness tracker smartband is downright solid.