... studnets&professionals Different color available MP3 and USB Pouch Pocket Case with Key Ring MP3-BLK Product FeaturesPremium Quality Protection ... for your precious device Exterior mini pocket for MP3, USB cable, battery, SD card, etc. Drawstring Secure ... , and protect your flash drive and other essentials.Carry your MP3 player, batteries, SD Cards, etc.It has an exterior pocket ...