Mechanical Design for Consumer Product

I need a skilled mechanical designer to create a working prototype for a consumer radio product I want to manufacture. Currently, I have a rough idea or sketch.

Requirements:
- Design a working prototype
- Include detailed explanations of moving parts
- Ability to translate concepts into functional designs

Ideal Skills:
- Mechanical engineering background
- Experience with consumer product design
- Proficiency in CAD software
- Strong problem-solving abilities

Looking forward to your expertise!