BikeConsole Power Plus iPhone 4, 4S Weatherproof / Shockproof Bicycle Holder Mount (1100 mAh Rechargeable Battery) (Apple-certified Compatible) Includes Integrated 1100 mAh Li-Ion Rechargeable Battery that Doubles 2X your iPhone run time Fully weatherproof against rain, snow, dust, and dirt. Shock-protected from falls and impact damage. Reinforced mounting bracket with 360-degree rotation for landscape / portrait viewing that fits any size bars or stem. iPhone is fully accessible inside the case - touch-screen, home, sleep/wake, an on/of buttons, front/rear camera, headphone jack conduits Apple-certified Compatible Product - uses the original Apple 30-pin connector for 100% compatibility.