Roamer ScratchX Hardware
Roamer ScratchX is Free. However you do need hardware – the Roamer to start with, a Roamer Bluetooth Module. This Module is to the latest Bluetooth Specification. This is called BTLE (Bluetooth Low Energy or Bluetooth 4.0). As its name implies BTLE uses a lot less energy and was particularly developed to be used with Mobile Technologies like Laptops, Tablets and Smart phones. If you have an older computer it may have an older version of Bluetooth in which case you will need a BTLE Dongle for your computer.