Feature:1. Long battery life, the built‑in rechargeable lithium battery can be charged once, and it can be cool for a whole day.2. It can be used for charging and accumulating, USB cable charging and battery charging, freely switching between plug‑in cables and cordless use.3. It is easy to use, disassemble the front net + fan blades, and the fan edge after disassembling.4. The five‑speed adjustable fan can meet your needs for different winds and keep it cool in summer.5. Sturdy and durable, made of high‑quality ABS material, can be used for a long time.How to Use:1. Press the power button to start the 1st wind speed, press again to adjust the wind speed, a total of five wind speeds, press the sixth time to turn off the fan.2. Long press the power button to turn off the fan.Specification:Item Type: Oscillating FanMaterial: ABSWeight: Approx. 633g / 22.3ozPower Supply: DC5.0V--1AWorking Power: ≤3.8WBattery: Polymer lithium battery 4000mAh (included)Use Time: About 3.5~14.5 hoursCharging Time: About 6 HoursWind Speed Gear: Five-speed adjustment Package List:1 x Oscillating Fan1 x Manual 1 x USB Power CableNote:Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.