Smartwatch
device · 2013 · Digital age
A wrist computer with a touchscreen.
What it is made of
- System on a chip (SoC) — has part. Inside is a system on a chip.
- Lithium-ion battery — has part. Powered by a lithium-ion battery.
- Touch layer (capacitive) — has part. A touchscreen.
- Pulse oximeter — has part. A heart-rate and SpO₂ sensor.
Principles and materials it uses
- Aluminium — is made of. The case is aluminium or steel.
- Chemically strengthened glass — is made of. Glass.
History: what it evolved from and what it influenced
- Wristwatch — evolved from. The form factor of a wristwatch.
- Fitness tracker — evolved from. Tracker functions moved into watches.