Sound effect of inclusion of an electric knife switch or button. Accurate and loud effect. In...

Air humidifier switch on, working and switch off.

Nebulizer (compressor inhaler) turned on, working, turned off..

Lamp in the dental office HD

Clean and soft logo based on classic piano arpeggio. 4 variations. 1: 0:09 2: 0:09 3: 0:05 4: 0:03