Peripherals quick-fire questions
How many Bluetooth devices can I use?
Classic Bluetooth supports up to seven ‘slaves’ in its Scatternet, but Smart LE technology is more flexible. Much also depends on the use: although your Mac should pair with up to seven devices, if you use one for audio streaming that will limit others.
Which mouse is best for arthritis?
If you struggle to cope with a regular mouse or trackpad, look at a trackball substitute. Apple sells the AbleNet BIGtrack for £80, which you should be able to try at your local store. Logitech also has wireless models.