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: D-Flex, belonging to category: Injection Pen

### Response:
The design of the D-Flex injection pen focuses on user-friendliness and functions that support its operation. D-Flex is a robust and intuitive manual injection pen with integrated dose error correction, end of injection signal and anti-roll feature. The smart injection pen enables customisation with one or more preset doses incorporated into a single device and also facilitates the flexible setting of the dosage volume.
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