Microsoft Store offers the Microsoft Band Fitness Tracker / Smartwatch
in Small, model no. 4M5-00001, or Medium
, model no. 4M5-00002, for $79
with free shipping
. That's a buck under our mention from two weeks ago and the lowest total price we've seen. (It's the best deal today by $20.) This water-resistant band features an optical heart rate sensor, built-in GPS, exercise tracking, sleep tracking, email/text message notifications, and is compatible with Windows Phone, iOS, and Android.