Buyers fresh from a different smartphone platform might be surprised to discover that wired BlackBerry headsets come fitted with a 3.5mm jack, meaning that even the cheapest personal use headset can be connected for output from MP3s and other media.
Bluetooth signal and band is also important; users on the road might prefer to opt for the higher reaches of the price list in order to ensure they have a Bluetooth headset that is likely to maintain a good connection with their BlackBerry in amongst traffic made up of emergency services, other Bluetooth users, taxi cabs and others.
It's always best to check the specification of the chosen Bluetooth headset to confirm that it will work with your BlackBerry - there are a handful of manufacturers offering substandard Bluetooth headsets that should be avoided.