Apple has announced a new line of accessories designed specifically for the just-announced iPhone Air, including a slim MagSafe battery, a translucent case, a bumper case, and a crossbody strap.With the MagSafe battery, Apple claims that the iPhone Air will get up to 40 hours of video playback. Based on images from Apple, the battery is tall and skinny, taking up a lot of space on the back of Apple’s new thin iPhone.The new case is translucent, allowing you to see the color of your phone inside the case. It also has a prominent ring for magnets, similar to Apple’s other clear cases.Apple is additionally releasing a bumper case that wraps around the edge of the phone, but you can also get a new crossbody strap that lets you sling the phone across your body. That could be useful if you want to have your phone easily accessible and on your person without having to put it into your pocket — or if you don’t have pockets.Developing… see our live blog for the latest details.