... portable handy scanner, 2. convenient to carry 3. scan file,book,picture etc., 4,high speed, good ... Any time,any place, you can get any scan what you want . Product Description SpecificationsSensor A4 color ... Micro SD 32GB File format JPEG White balance Auto USB Port USB 2.0 high speed Support ... above Power source 2*AA Alkaline/Rechargeable batteries Auto Power Off 3 minutes Maximum scanning speed High ...