<p>1. Charging: Please Charge First, Red Is Full, Blue Is Feeding. It Uses A New 21700 Battery. To Safe Transportation, The Factory Power Is 10%. Use It After It Is Fully . Charge After Feeding. The Charging Time Will Be Extended By 30 Minutes. , Charging Time From 20% To 100% Is 2.5 Hours</p> <p>2. Cycle Charge And Discharge Times 1500+</p> <p>3. Please Do Not Remove The Maintenance Cover At Will.</p> <p>4. Blocks Are Switches</p> <p>5. Turn The Knob Clockwise To Increase The Air Volume And Counterclockwise To Decrease The Air Volume.</p> <p>1. Product Name: Violent Fan</p> <p>2. Battery Capacity: 8000mAh</p> <p>3. Working Voltage: 5-8.4V</p> <p>4. Charging Time: 3.5H</p> <p>5. Theoretical Maximum Battery Life: 4H ()</p> <p>6.Colour:As Shown</p> <p>7.Material:ABS</p> <p>Note:</p> <p>Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use</p> <p>Package Contents:</p> <p>1 x Turbine Handheld Fan</p> <p>2 x Air Nozzle</p> <p>1 x Data Cable</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>