1. Determine product specifications and functional requirements, such as communication distance, battery life, etc.
2. Design the appearance and structure, considering both aesthetics, ergonomics and usage scenarios.
3. 3D proofing to verify whether the product's performance and functions meet the requirements.
4. Optimize the design and improve the product, and adjust and optimize according to the test results.
5. Carry out small-batch production and trial sales.
3KM toy walkie talkie.
