Features: Rechargeable: There is a built-in long-lasting battery in the cooling fan which can be used for a long time after fully charged. Super Mini Humidifier: This cooling fan also can be used as a humidifier at the same time helping to moisturize the air effectively and providing you with cooling air in summer. Portable: USB charging small size light weight easy to carry it will not take up so much space convenient for daily use in summer days. Occasions: Suitable for home office school and other places this personal fan is suitable for fitness sleep work study walking etc. Quality Assurance: Our product will definitely win your heart with its premium quality! If you have any inquiries please contact us. Specification: Color: White gray Power Supply: USB Noise: 40-50dB Type: Mist fan Work Time: 1-3h Battery: Built-in 1200mAh Rated Voltage: 3.7V Note: Due to the light and screen difference the item\\'s color may be slightly different from the pictures. Please allow a slight deviation for the measurement data and make sure you do not mind before ordering. includes: 1 Piece Mist Fan(with 1 Piece USB Cable) "