BioLogic Bike Mount for iPhone (fits 3, 3G, 3GS) Weatherproof handlebar bike mount for use with iPhone 3GS, iPhone 3G, and iPhone 3 (not compatible with iPhone 4) Welded, touch-sensitive, weatherproof membrane and weather protected openings for camera, headphones, and charge cable provide full operation 360-degree pivot mount offers user-selectable portrait or landscape mode Shock resistant protective silicone lining inside the hard outer shell protects iPhone (not recommended for off-road use) Use iPhone to track GPS position, speed, or distance travelled; take pictures, listen to music, make calls as you ride