" SUPER QUIET ROTATION: The internal Japanese motor is durable and very quiet during operation. Gray velvet fabric, strong sound insulation, sound insulation does not produce running noise. For any winding mode, the rotor will turn 6.5-8.5 rpm, TPD: 650-1850 rpm per day. Anti-magnetization: The watch winder adopts anti-magnetic technology, and the circuit board is anti-static, so it will not be magnetic, which maximizes the protection of the watch. Keep your mechanical watch accurate every day and never go wrong.The watch winder can use battery and electricity. We will send a UK 3-pin plug by default. The watch winder turns in both directions. Turn clockwise for 2 minutes, stop for 6 minutes, then reverse clockwise for 2 minutes, stop for 6 minutes. It will loop automatically. The voltage of the watch winder is 100 - 240 V. Exquisite Appearance: The exterior of the watch box is made of luxury piano paint and MDF, and the transparent high-hardness acrylic plexiglass window is safe and sturdy. The interior is equipped with velvet upholstery for maximum protection of the timepiece. Continued quiet, longevity, gorgeous elegance, surprise gift. This device saves watch collectors from having to wind and reset the date/date for self-winding self-winding timepieces. Help keep your mechanical watch in good working order"