Level up your health and fitness with the Activ8 Smartwatch + Fitness Tracker from HyperGear®. Monitor your health 24/7 with built-in heart rate, blood pressure, and blood oxygen (SpO2) meters, and keep your smartwatch on at night to monitor your sleep time and sleep quality. Variety is the key to getting active and staying active - with over 120 exercise and sport modes programmed in, you can do something different every day. Stay connected with 20 integrated watch 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 microphone and speaker. Mix-and-match your look with 3 swappable silicone bands included in the box, and 90+ customizable watch faces available in the free Da Fit app.