Fitness tracker
device · 2009 · Digital age
A wearable activity and heart-rate sensor.
What it is made of
- Accelerometer — has part. A pedometer.
- Pulse oximeter — has part. An optical heart-rate sensor.
- Bluetooth — has part. A link to the phone.
Principles and materials it uses
- Plastic — is made of. The case is plastic.
- Vulcanized rubber — is made of. The strap is silicone.
Where it is used
- Telemedicine — is used in. Remote monitoring.
History: what it evolved from and what it influenced
- Smartwatch — evolved into. Tracker functions moved into watches.