TFSeven Handheld USB Mini Misting Cooling Fan Humidifier 3 Speeds Portable Replenishment Fan Powered by 18650 Rechargeable Battery for Hot Summer Outdoor Travelling Office Baby Use (Green) 3 Modes: First-Fan Mode, Second-Misty Mode, Third-Fan+Misty. Two buttons to Operate: 1) "On/ Off" button to turn on and off the device, 2) "Power" Button is to choose the circulation modes you like. Functional personal fan, rechargeable USB mini cooling fan and beauty humidifier 2 in 1. Powered by rechargeable battery with a micro USB port, Light-weight and handle design,convenient to carry anywhere and anytime. Silica gel plug: more compact and anti-spill water; Sink: larger capacity; The unique design of air outlet.