1. The arched cutter is designed according to the human body structure, which fits the oral skin and captures nose hair in 360° multiple directions, does not hurt the nose, and is safe and comfortable 2. Both beard and sideburn hair can be removed 3. If it is not cleaned in time, and are easy to breed. After direct use, it may cause skin allergies or redness, and may also cause acne or acne. 4. Superior motor. Equipped with powerful and motor, extend the working life. 5. blade and powerful motor, can trim your hair fast, no hair get stuck and no hurt to your skin. Low noise design, there is no ear-piercing sound, nor disturbing others during . Barber speed control function,oiling and charging prompts overcharge/over-discharge protection.