Foldable mobile phone holder with USB hubs/card readers. Silicone pad provides excellent traction holding mobile phone or MP3 player device. Blue LED light on when connected. The base comes with 2 USB 2.0 ports, and M2/Cicro SD/MS/MS Pro Duo/SD/MMC/RS MMC/Mini SD card readers. It can be used as a mobile device charger (adapters not included). 4 3/4" x 2 1/2" x 1" (folded).