1. Digital Display Design, Clear Gear And Power At A Glance;2. Standard Equipped With A Lanyard, One Machine Can Be Used For Hanging Neck, Waist, And Desktop;3. 2000 Milliampere Battery, Extra Long BatteryLife, More Secure4. Built-In Usb Output, Which Can Be Used As An Emergency Power Charging Bank Function;5. Brushless Motor With Strong Wind Power.Rated Input: 5.0V/1.0Arated Power: 5Wbattery Capacity:2000 Macharging Time: About 2 Hoursproduct Material: Host: Abs/Silicone/Electronic Componentsbattery Life: About 8 Hours For 1St Gear Volume, About 5 Hours For 2Nd Gear Volume, And About 3 Hours For 3RdGear Fanexecutive Standard: Gb4706.1-2005/Gb4706.27-2008Details Of Accessories Included With The Product: Fan Host * 1, Type-C Charging Cable * 1, Lanyard * 1, Chinese And English Instructions * 1.ProductOperating Instructions:Fan Function: Press The First To Start The First Volume, Press The Second To Start The Second Volume, Press The Third To Start The Third Volume, And Press The Fourth To Turn Off The PowerSupply. This Cycledisplay Screen Function: The Three Volume Gears Display "01", "02", And "03" Respectively; "01-100%" Is Displayed For Remaining Power; Low Battery Display "Lo"; Full Charge Indicates "100%".