1. Vibration frequency: minimum 31,000 Hz / min ± 10%, maximum: 37,500 Hz / min ± 10%;
2. Use reminder: Take a short break of 0.5 seconds every 30 seconds while working and switch off after 1 cycle after 2 minutes of continuous work.
3. Working mode: Within 3 seconds after continuous operation, the gear is changed by continuously pressing the switch. After more than 3 seconds of switching on, the switch is switched off by pressing it gently. After switching on, the butto...