Two available: 1 gray and 1 light blue. If you purchase, please advise what color you’d like. CVT Speeds & Strong Airflow - The stepless speeds knob to a variety of speeds options, you can adjust the wind speeds from 0 to 4200RPM. Enjoy the passion of acceleration like your car. The small but powerful fan that you can feel cooling from 10 feet away, no more heat. Small Clip & Desk Fan 2 in1 - This personal portable fan with strong clamp, which can clip on objective of thickness within 2.8 inches. Easy to fix fan on baby stroller, deskside, bedside, treadmill. It also can be used as a desk fan on any desktop, suitable for office desk. Ultra Quiet Design - Quiet operation is our priority. The turbo blade design is engineered to be 25% quieter, the minimum working decibel is just 20db, it will not disturb you at all when you are working or sleeping. High Compatibility USB Port Powered - Plug & Play! Don't waste money on the repeated replacement for the battery. 3.9ft usb cable enables this small fan to draw power from computers, laptops, power banks, wall chargers and any other USB-enabled power supply. Adjustable Tilt & Easy to Clean - Customize the direction of airflow and cooling with 45 degree variable tilt and 360 degree horizontal adjustment. The fan's front cover can be taken off, you can wash the front frame or wipe the interior blades without spending effort.