POJAZIA Mini USB Output Electric Fan Rechargeable Humidifier Misting Fan (Pink) Table fan and humidifier 2 in1 with 4 modes: Fan&misting-Misting-Low speed fan-High speed fan. Powered by built-in 2000MA rechargeable battery with a micro USB port, Could used as a power bank to charge mobile phones and digital device through the connection to USB. One touch sensitive switch to control modes ; Easy to operate. (NOTE:Turn on the back switch before using, turn off it when not use). Using time: 5 hours for first level Fan; 3 hours for second level fan;2 hours for Misty; 1.5 hours for Fan+Misty. Note: Please fully charge the fan for 8 hours to make batteries play a better performance and efficiency. Pojazia offer 24-MONTH warranty & 30-DAY money back guarantee.