You can quickly select your Fitbit Ace FB411 using our search bar or step by step method so that you receive an accurate Instant Quote. Remember, our goal is to make selling your Fitbit Ace FB411 the quickest, easiest way to sell and trade-in online. We provide free shipping on all orders, pay quickly and your Instant Quote Value is good for 30 days. BuyBackWorld.com buys your used, old, broken and unwanted Fitbit Ace FB411. To sell your Fitbit Ace FB411 for cash, simply tell us a little more about your device above and then checkout to get paid.