Features: This is a portable lightweight mini fan, lightweight, easy to carry, can be use as night light, table lamp, phone power bank,thermometer. Built-in full-capacity 6000mAh large rechargeable battery, USB charging,fully charged in 6-8 hours, use for time up to 4-12 hours (depending on the speed), energy saving and environmental for protection. Super Quiet (36-45db) and 4 Wind Levels Speed Design,Breeze wind/soft wind/strong wind/natural wind mode, meet your different needs. Easy to fold,when you go outside, you can put it in the bag with you, especially suitable for summer travel or outdoor sports, you can take it to anywhere. Circulate indoor and outdoor air to form convection to achieve temperature balance. Specifications: Material: aluminum alloy and ABS plastic Battery capacity: 6000mAh Voltage: 3V Power: 5W Packing size: approx. 20x20x12.5cm/7.87x7.87x4.92inches Folded size: approx. 19.1x19.1x10.91cm/7.52x7.52x4.30inches Standing height: approx. 25.67cm/10.11inches Working time: 5-10 hours Charging time: 6-8 hours Wind speed gear: 4 speeds Noise decibel: 36-45dB Colors: White, Black Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1PC x Temperature Display Fan