USB Automatic Mechanical Watch Shaker Watch Rotates Places Storage Box, Color: 4 Watches Black 1. Internal material: ABS+MDF+memory foam pillow, external material: MDF+black walnut 2. Vertical winding watch 3. Four silicone feet on the bottom 4. Quiet motor, full of power 5. Quiet anti-magnetic, no magnetic will not hurt the watch 6. Invisible press lock to ensure the box is closed 7. There is a circular power input port at the bottom of the back 8. Gear adjustment knob with control switch beside it 9. Use metal elongated silver hardware hinges at the corners 10. Fully enclosed design, dust-proof and moisture-proof, clean and durable 11. Copper coil, anti-overvoltage, anti-overcurrent, anti-overheating 12. Double ball bearings, safe and stable, can work continuously for 100,000 hours 13. Product accessories: USB&DC cable, bilingual instruction manual in Chinese and English, watch cleaning cloth 14. One table position: second gear adjustment, two and four table positions: LED ambient light, four gear adjustment 15. Power supply: (voltage is 3V-9V wide voltage, 1A-5A) universal, USB interface plug-in use 16. Size: one table position: 130x115x135mm, two table position: 245x155x160mm, four table position: 245 x 155 x 290mm 17. Gross weight: one epitope: 840g, two epitopes: 1950g, four epitopes: 3100g