Black activity bracelet that has a high resolution touch oled screen, which displays the various functions and information provided by the bracelet. Among its functions is to track progress, encourage to be more active, show the fulfillment of daily goals and set new challenges, also shows the amount of steps taken per day and calories burned. It helps to monitor heart rate and deep, light and awake sleep time to know the quality of sleep. Finally, the bracelet vibrates when you receive a call or message on your smartphone, as well as helping to locate your phone when you are not there. It is compatible with most smartphones with Bluetooth 7.0 or higher. Its compatible systems are iOS 9.0 or higher, Android 4.4 or higher, it has Micro USB port for recharging.