In case anyone comes across this thread in the future I just wanted to update it. I managed to get a really cheap mouse as a tester and it paired okay I got the HDE Slim Bluetooth 3 mouse from Amazon for £10.99
http://www.amazon.co.uk/gp/product/B...ilpage_o01_s00
I also successfully paired the Fire Keyboard with both my Ipad mini and hubbys Ipad Air.