Which groundbreaking product design innovation first successfully integrated complex scientific sensors with consumer-friendly interfaces, leading to the modern personal health monitoring market?

In the world of science-focused products, design plays a crucial role in both functionality and adoption. From laboratory equipment to consumer health devices, scientific product design has evolved dramatically over the decades. This poll tests your knowledge about a significant product design innovation that revolutionized how we interact with scientific tools and data in everyday settings.

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The Polar Sport Tester PE2000 (1982), which introduced the first wireless, wearable heart rate monitor system with chest strap sensor technology
The Apple Newton MessagePad (1993), which pioneered built-in environmental and biometric sensors for personal data collection
The Sony Walkman Professional WM-D6C (1984), which incorporated the first consumer-accessible biofeedback monitoring system
The Casio BP-100 (1991), which was the first digital watch to integrate blood pressure monitoring technology