YunTuo Handheld Fan Battery Powered with 4400 20 cm x 10.5 x 4.5 cm, Black\nDescription\n\nFeatures:\n--4400MAH BATTERY: The hand held fan has two 2200mAh built-in rechargeable batteries, thus can cable-freely work from 6-15 hours, fully charges in 4 hours, a big save of charging time and longer working hours\n--3 ADJUSTABLE SPEEDS&QUIET: The battery powered handheld fan has 3 different wind speeds. Press the power button repeately to choose the appropriate fan speed. The high quality motor inside the mini fan makes strong power but low sound. This three-speed design personal fan provides you more choices in different temperatures\n--TABLE&PORTABLE FAN: The small size of the handle fan enables you to either hold it in hand or let the fan stand on solid surface like desk. The fan has anti-slip bottom to make it more stable while standing. Making this multifunctional fan ideal for both outdoor and indoor use\n--MINI&LIGHT WEIGHT: This little fan weighted only 290g, size: 20: