Toshiba unveiled its first handheld for the U.S. market. The PocketPC Audiovox Maestro, powered by Microsoft’s OS and will be available later in November. As the price tag indicates, it is aimed at the corporate market. Several months ago. This device is branded by Audiovox but the same as the Toshiba e570, but with less RAM (32 MB as compared to 64 MB in the Toshiba).