The product must:
- house the full length of the circuit board 45.5 x 13.5 x 1mm, which fits securely into the internal reccess
 - be small and portable for ease of transportation
 - be user friendly and to contain no sharp edges or loose parts
 - have a lid which fits securely onto the main USB
 - fully function and be able to store 1GB of data
 - be durable and robust for long term usage
 - plug easily and sit comfortably with the other USB ports i.e. room for two USB's alongside each other
 - aesthetically pleasing and eye catching; promoting the brand creatively
 - be manuafctured using CAM equipment & 3D printing available in Sheaf workshops
 - contain packaging for the product, which will be manufactured using the laser cutter
 - be presentable for a prototype concept and have the ability to be suitable for mass production