DESC: The Targus Click "n" Type keyboard is a very small "thumb type" keyboard that clips on to the bottom of the serial port on your Compaq iPAQ PDA. The cohesive union between PDA and keyboard allows for convenient typing. There is no need for an external stand as PDA and keyboard behave as one integrated unit. Ideally suited for short messages, notes and PIM maintenance, the Click "n" Type keyboard makes an attractive addition for the mobile user who is looking for a small, lightweight and versatile portable keyboard.??This keyboard is designed for Compaq iPAQ 3800 and 3900 series.