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: Rolldock, belonging to category: Portable Power Charger

### Response:
The handy Rolldock provides a charging capacity of 3,000 mAh. When used at home, the opened device offers a resting surface on which the mobile phone can be placed at a slight angle. To take it with you, the cable is simply wrapped up, whereby the charger folds up into a case which can be easily carried in the pocket. The surface is made of felt and is available in four subdued colours.
### End