Designed to accommodate a wide range of digital devices, Crucial Secure Digital (SD) cards feature an erasure-prevention switch. Store your music, photos, and video files with the added assurance that your data can't be accidentally deleted. Just keep the switch in the locked position, and you get safe, secure storage for your digital camera, MP3 player, PDA, cell phone, and camcorder. Crucial SD cards are tested under the most rigorous conditions to meet the highest standards of reliability and durability essential to today's mobile users. Similar in form to MultiMedia Cards, the small size and solid-state design make the Crucial SD card the perfect on-the-road performance companion.