That's $124 less than what you'd pay for a sealed new unit. (We saw another open-box model for $200 in our May mention.) Buy Now at eBay Tips a 1-year Quick Ship warranty applies Features compatible with iOS and Android devices fitness tracker, HR monitor, and more activity measurements Samsung Tizen OS 802.11n wireless, GPS, Bluetooth 4.2 768MB RAM, 4GB memory 1.15GHz dual-core processor 1.3" super AMOLED touchscreen Model: SM-R800NZSAXAR