Challenges:
- Using necessary processes and documentation to acquire FDA approval
- Maximizing flexibility and robustness simultaneously
- Material selection, including encapsulant
- Creating a seal between imperfect parts
- Waterproofing
- Reliable Charging
- Chemical Resistance
- Exact location of sensors
- Managing delicate components and connections
- Optical considerations
- Thermal considerations
- Achieve jewelry level appearance
- Extremely short timeline