Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:

Create a detailed description for the following product: STABILO SMARTball, belonging to category: Ballpoint Pen with Touchscreen Function

### Response:
The SMARTball combines the analogue world with the digital world of smartphones and tablet PCs. With a retractable ballpoint pen at one end and a touchscreen pen at the other, it is the perfect companion for users of smartphones and other devices with touchscreen displays. The pen is available in four fashionable colours for both left- and right-handers, featuring ergonomic grip zones that ensure relaxed writing comfort.
### End