Speaker cleaner for Android
165 Hz pulses, a low sweep and fast bursts shake water out of the speaker grille.
Water, Dust, a silent Vibrate shake and Deep, which combines tones with vibration.
Cleans the top speaker you hold to your ear during calls.
Any frequency from 1 Hz to 20 kHz with sine, square, triangle or saw waves.
Left/right stereo check, a full frequency sweep and a short melody.
No internet permission, no account, no tracking, no advertising.