Kensington says six of its products have met the compatibility requirements to become Apple iPhone 4 certified.  All of the products are available now at: http://us.kensington.com/html/17765.html .

The US$24.99 Kensington PowerBolt Micro Car Charger lets you charge iPad, iPhone and iPod in your vehicle. The $19.99 PowerBolt Car Charger does the same for the iPhone or iPod; there’s even a detachable cable for charging and syncing from your home computer.

The Kensington 2-in-1 Car Charger and AUX Audio Cable ($39.99) charges your iPhone and connects directly to your car stereo´s AUX port. The 3.5-foot long charging and audio cable powers both iPhone or iPod with an input of 10V-24V DC and output of 5V-700mA DC.  

The Kensington Noise-Reducing AUX Audio Cable ($19.99) offers direct AUX (auxiliary) connection and noise reducing technology combine. The $14.99 Kensington Power and Sync Cable offers a second cable for your iPhone, iPod or iPad to keep in your desk or in your notebook case.

The Kensington AUX Audio Cable ($9.99) offers a direct connection from your iPhone to your car stereo. It plugs into the standard 3.5mm AUX (auxiliary) port on your car stereo and the headphone jack on your iPhone or iPod.