I've taken a look at other reviews of this Bluetooth dongle on Amazon and it seems that people either love this product or they have real issues getting it to work.
Well, in my experience it was easy to install... plug it in and it works, Windows XP and Windows 7. I didn't need to use the driver disc. It may be down to service packs or whatever, but I wasn't expecting any issues to be honest. I've used various makes of Bluetooth adapter and most install 'plug and play' or just request the driver CD, and it installs.
I would assume that you need to have either Windows XP, Windows Vista or Windows 7 if you want to be sure you'll not have installation issues, probably with the latest service packs available as well (but this is just my assumption).
So, as the name suggests, this Bluetooth adapter is tiny, and once it's plugged into a USB port is only sticks out around 5mm, so can be permanently installed into a laptop without having to worry about catching it on something and damaging the device, or worse still your laptop USB port.
This has good connection range of around 10 meters (bear in mind you can buy adapters with a larger range if you need it, such as 100 meters) and it's Bluetooth 2.0 which offer very fast speeds (it states up to 3 times faster than standard Bluetooth) if you are transferring data or whatever. That said, you'd not notice the speed difference so much if you are just using a mouse or controller to be honest. For some, that extra speed will be important though I am sure.
Going back to the range, if 10 meters isn't enough, there is a 25 meter version of this adapter (likely at a higher cost).
For a laptop or PC user without Bluetooth installed on your system as standard, this adapter (or one like it) is just the ticket to get you connected to your mobile phone, or to use a compatible wireless mouse or other device. It's so small, you will forget it's installed and it will not get in the way.
Key features (taken from the Trust website):
*Very compact sized USB adapter to add Bluetooth 2.1® wireless technology to your notebook or PC
*Ultra small design that fully integrates with your notebook when plugged in, no need to remove adapter
*Instantly use your Bluetooth mouse on your notebook without (un)plugging the USB adapter
*Create a wireless connection between your notebook/PC and Bluetooth devices
*Bluetooth 2.1 technology: up to 3 times faster than standard Bluetooth
*Also works with previous Bluetooth versions
*USB adapter with Bluetooth 2.1 wireless technology
*CD-ROM with drivers, software and user's manual
*Windows 7, Vista or XP
*Other device (including drivers) with Bluetooth wireless technology such as a Bluetooth mouse