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: Smart B-Trainer, belonging to category: Fitness Device

### Response:
The Smart B-Trainer is a multi-functional fitness device that plays music, records fitness data and gives audio coaching feedback. Users can run comfortably without carrying a smartphone and they can customise a training programme that provides professional guidance. The audio user interface gives carefully designed feedback, supporting users in real time as they run. Music can be automatically selected to suit the heart rate and encourage a faster or slower pace.
### End