Welcome to our store! 1. Save paint and drying time with this drawing board design. Adjust three speeds according to different paint qualities to control the wind speed. 2. Low noise, no damage to paint quality, dry air, compact body design, easy to carry. 3. Portable watercolor air dryer with a rail design. Enjoy the painting effect while air drying, convenient for preventing smudging of the picture, body, and clothes. 4. USB charging design, outdoor painting can also be used effectively. The 3-speed design can meet most requirements. 5. Suitable for indoor, outdoor, car, office, and other environments. Besides being used as a paint air dryer, it can also be placed on the desk as a small fan. Item Type: Paint Air Dryer Material: Plastic Color: Black Air Volume Usage Time: First speed: Low wind approx. ≥4 hours Second speed: Medium wind approx. ≥2.5 hours Third speed: High wind approx. ≥1.5 hours Battery Specification: Lithium battery 2000mAh Power: 3.7V Product Size: Approx. 10.4 x 7.7 x 5.8 cm / 4.1 x 3 x 2.3 inches Instructions: 1. Turn on: Press and hold the button for 1-2 seconds 2. The first speed after starting (low wind) 3. Press again for the second speed (medium wind) 4. Press the second speed again to select the third speed (strong wind) 5. Turn off: Press and hold the button for 1-2 seconds Charging Instructions: When charging, use the Android port to connect to the air dryer and use the USB or USB port to connect the power adapter for charging. When the blue signal light is always on during charging, the charging is normal. When the blue signal light is off, the charging is complete. Package Includes: 1 x Host 1 x Data Line Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will give you the best solution!