Specification: Smart Freg MF400 Mini USB Charging Folding Fan Mute Strong Wind Brushless Motor from Xiaomi Youpin- White Features: - Mute Strong Wind - Ultra Wide Angle Air Supply - Concealed Bracket For Upright Hanging - Mute Brushless Motor For Powerful Wind Output - 2000mA large capacity battery, can continue to work after power off, the longest battery life is 10 hours - The net weight of the whole machine is 286g - A new generation of five-wing fans, each fan blade is balanced and debugged, with low noise, bringing you a quiet and refreshing wind. Model: MF400 Rated Power:5W Rated Voltage: 5V Battery Capacity: 2000mAh Color: White Size:140*170*42mm Weight:286g Packaging Includes: 1 x USB Charging Folding Fan