Barnes & Noble Nook HD 16GB WiFi Tablet 9" with Dual Core - Slate (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 resulting product includes all relevant accessories, comes with a minimum 90-day warranty, and may arrive in a generic box. Only sellers who meet a high performance bar may offer Certified Refurbished products on Amazon.com Stunning 9-Inch Display with 1080p Full HD, 1920 x 1280 pixel resolution, 256 PPI 1.5 GHz OMAP4470 Dual-Core Processor 16GB total memory of which approximately 13GB is available to store user content Universal 3.5 mm stereo headphone jack, 30 Pin Port for charging and connecting to a computer (HDMI Compatible), Expandable microSD slot