Sonnet Technologies today announced the introduction of its new 21-in-1 Multimedia Memory Card Reader & Writer for ExpressCard slots. This product replaces Sonnet’s popular reader-only version at the same price. Without cables, the 21-in-1 reader and writer quickly moves files between memory cards and a notebook. With the ability to also write data to memory cards, users can copy image and music files to memory cards for use in digital picture frames and MP3 players, respectively. Memory card formats used in digital cameras, cell phones, and other electronic devices, including Memory Stick, MMC (Multimedia Card), SD (Secure Digital), XD-Picture Card, and all their variations. The card works in ExpressCard/34 and ExpressCard/54 slots. Multimedia Memory Card Reader & Writer ExpressCard/34 will be available December 19, 2007, with the suggested retail price of US$29.95.