Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Technical characteristics of the smartwatches and the accelerometers.
| Smartwatch 1 | Smartwatch 2 | Smartwatch 3 | |
|---|---|---|---|
| Dimension (mm) | 36 × 10 × 51 | 45.5 × 52.2 × 10.9 | 45 × 45 × 11.5 |
| Weight (g) | 38 | 66.5 | 54 |
| Accelerometer amplitude range (standard acceleration due to gravity: g) | ±2, ±4, ±8, ±16 | ±2, ±4, ±8, ±16 | ±2, ±4, ±8, ±16 |
| Accelerometer maximum sample rate (Hz) | 2000 | 4000 | 1000 |
| Accelerometer maximum sample rate set in Android (Hz) | 250 | 200 | 50 |
| Analog-to-Digital Converter (ADC) (bit) | 12 | 16 | 16 |
