So you would like to add touchscreen functionality to your MacBook Air notebook? The AirBar has you covered. It is a plug & play system that attaches to your laptop with magnets easily. Simply connect it into a USB port to get started. The device lets you touch any object using fingers or gloves.
The AirBar comes with a special software that enables multi-finger touch gestures. This particular version is compatible with 13.3″ MacBook Air laptops.[where to get it]