Amazon
✔️Oil bearings 6010 Fan - High Speed version ✔️️Oil bearings, use time no more than 16 hours / day. The life expectancy is about 30,000 hours. Lubricating oil is required to maintain the bearing. ✔️️Rated voltage: DC 5V ✔️️Size: 60x60x10mm ✔️️Made by WINSINN
✔️Oil bearings 6010 Fan - High Speed version ✔️️Oil bearings, use time no more than 16 hours / day. The life expectancy is about 30,000 hours. Lubricating oil is required to maintain the bearing. ✔️️Rated voltage: DC 5V ✔️️Size: 60x60x10mm ✔️️Made by WINSINN