It was comfortable to hold, but the touch-sensitive panel that replaces a scroll wheel proved fiddly - disappointing for such a pricey product.

You can navigate multimedia files and folders with a push-selection rotary scroll wheel and back button.

With only a two-key-wide keypad, dialling and texting can be difficult, although the mechanical scroll wheel helps speed you through the menus.

The mouse reports rotation as scroll wheel commands so compatible with most applications.

A mouse emulator enables operation of common software applications using multi-touch gestures for mouse functions (left button, middle button, right button and scroll wheel).