Bio Ionic One Pass 1 Inch Nano-Ionic Iron Matte Black Collection Ceramic for Faster Straightening & Increased Shine Silicone Speed Strips for Faster Straightening & Increased Shine Instant Heat, Up to 400 Degrees & Recovery Nano-Ionic Mineral Fused to Cushion Plates High Levels of Negative Ions & Far Infrared Energy for Silky, Smooth, Conditioned Hair The Fastest Straightening Iron Ever! The OnePass Iron represents a true break-through in straightening iron technology. The OnePass allows users to straighten hair in half the time compared to traditional irons.