Veeape mini electric portable air compressor, multifunction cordless air inflator is perfect for bicycle tires and small tires. The air pump contains only 30 to 60% of the electricity, so you need to fully charge it before using it for the first time. Due to the operating principle, all pumps on the market are very noisy, with a resolution of 90 decibels. It can not be used in trucks, air mattresses, inflatable toys, big pool inflatable devices like a pool float, boat, etc., But do not support big truck Veeape Rechargeable air compressor will solve the above perplexities of yours! How To Use: Long press the power button for 3 seconds and wait for the progress bar to complete. Short press. Wireless tire filler more pilot with USB output, which can be used as an energy bank for everyday use. Electric tire inflator with bright LED tire pressure gauge makes it easier to inflate and repair at night. The bicycle air pump has a fan, provides good heat dissipation, so it can work continuously, never get hot.