- Sounds
- 20: 10 fan sounds and 10 noise variations (brown, brown and pink blends, pink, white and pink blend, white)
- Sound generation
- Digital and non-repeating (non-looping), per the maker
- Fan sounds
- Large, industrial, mellow (low and high), exhaust, attic, circular, vent, box and oscillating fan
- Timer
- Plays continuously by default; each press of the timer button adds 60 minutes, after which the sound fades off
- Volume
- Up and down buttons in 1 dB steps (maker figure)
- Settings memory
- Keeps the last fan sound, noise and volume when switched off with the power button (not when simply unplugged)
- Power
- 5 V DC, 500 mA through the included USB cable, from the included AC adapter or a powered USB port (power only, no USB audio)