Fitbit Sense Activity Tracker - Sage Gray/Silver Stainless Steel Sealed Box new!

• Screen for atrial fibrillation anytime with the ECG app and easily share results with your doctor.* • A built-in skin temperature sensor logs yours each night so you can see when it varies. • Personalized health & fitness guidance with a free 6-month trial of Fitbit Premium for new Premium users.* • A stainless steel ring, polished frame & satin finish on a seamless, new infinity band. • High & low heart rate notifications alert you if yours seems above or below your average. • Battery lasts 6+ days—plus, fast charging gives you a full day’s charge in just 12 minutes.* • Use built-in GPS during runs, hikes, rides and more to see pace & distance without your phone. • Take calls, get texts and smartphone app notifications when your phone is nearby. Plus, send quick text & voice replies on Android only. • Track your time in light, deep and REM sleep. • Water resistant to 50m. • Personalized health & fitness guidance with a free 6-month trial of Fitbit Premium for new Premium users.* • A stainless steel ring, polished frame & satin finish on a seamless, new infinity band. • High & low heart rate notifications alert you if yours seems above or below your average. • Battery lasts 6+ days—plus, fast charging gives you a full day’s charge in just 12 minutes.* • Use built-in GPS during runs, hikes, rides and more to see pace & distance without your phone. • Take calls, get texts and smartphone app notifications when your phone is nearby. Plus, send quick text & voice replies on An