SanDisk Ultra 64GB MicroSDXC Class 10 UHS-1 SDSDQUA-064G-U46A (Certified Refurbished) This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon Class 10 / UHS-1 Performance For Full HD Video Twice as Fast as Ordinary microSD Cards Waterproof, temperature proof, X-ray proof, and magnet proof