DESC: The Universal Wireless Keyboard works with Palm and Pocket PC PDAs as well as Palm/PPC based PDA/cell phones and smart phones. No more juggling different keyboards or worrying about switching products because it works with the world's most popular PDAs, PDA/cellular phones and smart phones. It supports PDAs with screen flipping software and includes a 210-degree rotating infrared arm and two coin batteries. The Universal Wireless Keyboard - do more anytime, anywhere!