DESC: This convenient PDA Portable Keyboard is designed for Palm M5xx Series PDAs. ??PRODUCT FEATURES: ??Unique, patented flip-up cover also functions as a stand and protects against dirt and dust; ?Supports eight programmable keys; ?No cables or batteries required; ?Supports adjustable repeat rate; ?90% Full Sized Key; ?Plug and Play Design; ?Low power consumption: the keyboard goes into suspend when a key is released, then wakes up with a key press.