1.Pad size: 365 *28 * 45 mm
2. Fan size: 80 *80 *15 mm
3. Rated voltage: 5V DC
4. Rated current: 0.2 A
5. Rated power consumption: 0.9 W
6. Fan speed: 2000 RPM
7. Max airflow: 28 CFM
8. Fan noise: <25 dBA
★ Put it on knee ★