Features: -Portable & Mini &Lightweight -Excellent cooling performance -Air Conditioner cooling system -A strap for easy carry -Built-in rechargeable battery,long battery life. -Humanized design,with a holder. -Safety push button avoids accidental activation. -With sponge,you can put some water soaked sponge/Essential oil. -Convenience to clean -Anti-dust design -Easy to operate -Long lifetime Specifications: Compatible with: household, outdoor, office, gifts Material: ABS Plastic Color: Red/Blue/Black Dimension:(LxWxH): 12*7*3cm Battery capacity:400 mAh. Working current:250 mAh. Voltage: 5V. Package Included: 1 x Fan 1 x USB Cord Note: -This machine isn't waterproof, so when you wet the sponge, please take it out. -Don't fill too much water into the sponge in case the water will spill out and wet the machine. -Remember to take the sponge out and dry it when you don't use the fan. -Due to the difference between different monitors, the pictures may not reflect the actual color of the item. -Compare the detail sizes with yours, please allow slight difference due to manual measurement. Thanks for your understandings