Feature:1. USB charging, can be connected to PC computers, notebooks, mobile power, adapters and other devices to charge.2. Three gears wind speed adjustment to meet the needs under different conditions.3. It is easy to operate with only one button, press the button to turn on/off the fan, and press repeatedly to adjust the wind speed .4. With a carabiner, not only can be held in hand, it is more convenient to hang on a backpack or keychain.5. Made of high quality ABS materials, very safe to use for both kids and adults.Specification:Item Type: Mini Handheld FanModel: DM-39AMaterial: ABSProduct Weight: Approx. 85g / 3.0ozInterface: USBSpeed: 2000-5000rpmGear Position: Three Gear AdjustmentBattery Type: Lithium BatteryBattery Capacity: 500mAh (built-in) Package List:1 x Fan1 x Carabiner1 x Data Line