❃【160°Rotatable Base & Continuous Speed Adjustment】Base of this desk fan can be rotated 160° for easy adjustment of wind angles.Step-less Speed design allows you select any speed within the range by turning the power knob, rather than just high/medium/low. Turn the power knob clockwise to turn on and go from low to high speed and counterclockwise to go from high to low and turn off. | ❃【Built-in 3350 Battery with 17 Hours of Use + Rechargeable】Built-in 3350 rechargeable battery can be charged fully in 4.5 hours. Lowest speed provides 17 hours of use, highest 7. Great for outdoor activities such as camping and traveling. Included USB data cable with 5V 1A output allows charging via computers, chargers, power banks, and more. | ❃【Photo Frame Design & Portable】Completely unique design on Amazon with simple, classic colors and a minimalistic design. Weight of 260 g makes these battery fan easy to take along. Space-saving and great for keeping cool while outdoors. | ❃【Quiet + Strong Wind】Brushless copper motor offers much stronger performance than normal motors and runs quietly and steadily without disturbing you in the office or even during a nap. Highest speed of 2500 RPM measures at less than 30 db. | ❃【Worry-Free Service】EasyAcc provides a two year hassle-free replacement and refund policy for this battery desk fan. Please feel free to contact our friendly customer service team; we always aim to reply within 24 hours.