Power Source: USB Rated voltage: 3.7 rated power: 3.7V
Application area: 30 square meters Noise: 40db The following air supply: wind speed stall, shaking his head Bit: 3 gear mode of operation: mechanical Support for charging: Support speed speed gear: three gears Shaking head mode: left and right shook head Self-stop: Do not support whether box fan: is GW: 332G packaging volume: 137 * 122 * 210mm NO: WT-F46
whether the internal battery: is built-in battery capacity: 2000mAh (Polymer)