Homewares,Seat Cushion,Soft Pillow,Home Organizer Ningbo Yinzhou Hengxi Winbate Household Product Manufacturer , https://www.winbate.com■The brushless motor is adopted, and the vibration is small. This is a desktop centrifuge for personal use. : ≤ 57dB at Max. RPM ■Maximum 13,500rpm (rcf: 12,225 xg) high-performance small centrifugal separator ■Adopting the patent of Korean science-shuttle knob adjuster and Digital feedbac technology, easy to use and accurate speed regulation.