OPOLAR Battery Operated Rechargeable Desk Fan for Home Camping Hurricane, 9 Inch Battery Powered USB Fan with Metal Frame, Quiet Portable Fan with 5200 mAh Capacity & Strong Airflow Color::Blue Great for sharpening on steel

Great for sharpening on steel and stones

★ Easy to Use --- One-button vacuum seal operation with a vacuum speed of 5-8 seconds

Adjustable strap to meet different requirements for both men and women

UNIQUE Integration of Dispensing and Aerating System -- This auto wine diffuser features an Ingenious oxygenator

OPOLAR Battery Operated Rechargeable Desk Fan for Home Camping Hurricane, 9 Inch Battery Powered USB Fan with Metal Frame, Quiet Portable Fan with 5200 mAh Capacity & Strong Airflow Color::Blue Great for sharpening on steelLasts LongerEquipped with two rechargeable 2600 mAh batteries, with the working time of 6 9 hours this battery and USB fan is environment friendly and energy saving. Please take the little white tap out when first use. Quieter FanEverybody loves a fan that does not make noise. This fan is exactly what you want. Its noise is less than 40dB, which creates a quiet environment for your work and sleep. Multiple Power SuppliesThe ease of use is what OPOLAR