Costco Sale: Fitbit Flex Wireless Activity + Sleep Wristband $84.99 by Rhonda July 24, 2020 *UPDATE* 12/21/15. Costco has the Fitbit Flex Wireless Activity + Sleep Wristband on sale for $84.99 (after manufacturer’s instant rebate), now through December 26, 2015. That is $13 off Costco’s regular… 0 FacebookTwitterPinterestEmail
