Koonie Portable Desk Fan, 3.5-20hrs Battery Operated Small USB Fan with Ultra Quiet 220° Tilt Folding, Rechargeable Personal Fan with 3 Speeds Strong Wind for Home Office Desktop,

[Optimal Airflow] The desk fan with upgraded DC motor generates airflow up to 16 ft/s. Portable Fan with 5 premium fan blades produce broader and more balanced airflow as comfort as mountain stream breeze, keeping you calm and cool during steep summers.