Groupon offers the Jarv Elite Water-Resistant Fitness Tracker Activity Band and Smart Watch, model no. JRV-SBD1400, for $37.99 with free shipping. That's $2 under our August mention, the best deal now by $7, and the lowest total price we've seen. It features call and message alerts, monitors sleep, tracks workouts, and has a 10-day battery life on full charge. Deal ends October 30.
Note: The countdown timer on the product page does not reflect an actual expiration time.