This is a portable neck fan, made with material, portable and useful. Perfect for indoor and outdoor use, fan can produce natural wind to keep you cool when reading, doing sports, waiting in line, it will be your best partner in such hot summer. Features -Material:PC and TPU -Size:10.90X8.00X4.90cm/4.28X3.14X1.93in - gear: Three gears - Rating: 5 V / 2 A - Working Time: About 3 hours -The charging time: About 3 to 4 hours - Electricity core capacity: 4000 mah (3.7 V / 14. ) -Manufactured with , and practical enough to use. -Mini size and hanging design, this electronic fan is creative and unique. -It is very and convenient for all people to use, even for children. -It can be hung on your neck with rope and also can be placed on the desktop side. -Compact and portable, easy to carry with you. Package list: 1 x Air Fan 1 x USB Cable