(refurbished) samsung galaxy watch (42mm) sm-r810nzkaxar (bluetooth) - black samsung electronics go nonstop for days on a single charge. the wireless charger lets you power up without slowing down. (average expected performance based on typical use. results may vary.) available in two sizes and three colors, the galaxy watch offers stylish watch faces so realistic they hardly look digital. plus, choose from a collection of interchangeable bands pairs with both android and ios smartphones via bluetooth connection