For the first time, the golfer can download to their mobile device golf GPS readouts of the course, without the need to buy expensive hardware. The readouts automatically show distances to all the key points on the hole (Green, Trees, Ponds etc) to both the front and back. If your mobile phone does not have an inbuilt GPS receiver, then by using the DMC Bluetooth CaddyAid receiver, this will make the phone fully enabled on the golf course, giving the very best of accurate readouts. Download for the first time, golf GPS distance guide information direct to your mobile phone. After initial purchase CaddyAid Mobile software is compatible with the Blackberry, Nokia and Sony Ericsson phones, and includes five free course downloads.