The NOOK BNTV400A HD's display is best-in-class, with brilliant color, ultra-crisp definition, and minimal glare. Pictures and video look spectacular from every angle and each word is crystal clear. Create up to 6 NOOK Profiles, one for every member of the family. Transform it into your own personalized device and build a private library full of books, movies, apps and more. NOOK HD is ultra-portable and small enough to slip into your purse, backpack, or briefcase. Can’t plug in? No problem. Get up to 10.5 hours of use on a single charge. Browse interactive catalogs from top brands. They're free, and with seamless delivery straight to your NOOK, it's easy to discover something new.