StarTech.com USB OTG Adapter Cable for ASUS Transformer Pad & Eee Pad Transformer / Slider - ASUS 40 pin OTG Host Adapter - USB On-The-Go;

Turn your ASUS Transformer Pad into a USB host and connect USB devices (thumb drives, mice, keyboards etc.) - The ASDCOTG USB On-The-Go (OTG) Adapter Cable adds a USB port to your ASUS Eee Pad Transformer (TF101, Prime, etc.), ASUS Transformer Pad (Infinity, etc.) or ASUS Eee Pad Slider for connecting a USB accessory such as a thumb drive, keyboard or mouse. The ASUS OTG 40-pin adapter is designed and constructed for maximum durability, to ensure dependable, long-lasting connections, and is backed by StarTech.com's lifetime warranty.