High-Frequency Vibrations: Often between 20,000 to 40,000 strokes per minute, which helps dislodge plaque and debris.
Multiple Cleaning Modes: Different settings for various needs, such as sensitive, whitening, gum care, and massage modes.
Smart Timers: Built-in timers (usually 2 minutes) to ensure you brush for the recommended duration, often with 30-second interval alerts to encourage even brushing.
Pressure Sensors: Alerts you if you're brushing too hard, helping to prevent gum damage.