Level up your health and fitness with the Activ8 Smartwatch and Fitness Tracker. Monitor your health 24/7 with built-in heart rate, blood pressure, and blood oxygen meters and keep your smartwatch on at night to monitor your sleep time and sleep quality. With over 120 exercise and sport modes programmed in, you can do something different every day. 20 integrated apps, an extended battery life that lasts up to 7 days on a single charge, and full compatibility with your iPhone or Android phone, including on-wrist calls via the built-in mic and speaker.