The O2 blue features “hot dialling”, which offers instant access to three previously-selected numbers with the press of a button. It also comes with a USB charger, so you can power up if you’re near a PC or laptop. A single charge should give you around 15.5 hours of talktime and a standby time of up to 22 days.
And just to add confusion, there’s a white version of the blue, limited edition and only available in O2 stores. That version comes with that essential Bluetooth add-on, a free stuffed polar bear.
The headset retails for £50.