Stay cool during hot weather with the OPOLAR Personal Fan. It features a compact design, making it easy to carry in a bag or purse. The clip-on personal fan has an easy-to-open clamp with rubber grips and secures to a table without scratching. It also has four speeds and an adjustable tilt mechanism so you can direct the airflow where you need it. 10000mAh battery The battery operated fan can last up to 6-24 hours and non-removable batteries are safe Strong Clamp With a strong 3 inch clamp, this clip on fan battery operated could be clamped on many places. Compact size The portable fan size is 8*9.8*5.3 inch. It is portable to carry wherever you want to go.