This Fitbit Flex Wireless Activity and Sleep Wristband drops from $99.95 to $79.95 with code 20GIFT at Brookstone. Even with $9.99 shipping, this is the lowest price we could find by $5. This device tracks your activity during the day, including distance traveled, calories burned and active minutes. It can sync with either iPhones or Android phones, and is available in three color choices. Note that the blue band has a ship date of June 9th. Sales tax is charged in most states.