Summer is coming, you can enjoy coolness by using this USB Desktop Fan, It functions as a 4-port hub(USB1.1) as well. You will feel the coolness penetrating your heart.... USB Desktop Fan with Hub(USB 1.1) Blades are made of soft plastic for safety Great wind force On/off Switch 4-port hub USB powered, no batteries needed 3 colours available - Blue, Orange and Green Dimension: 167 x 68 x 155mm (approx.) Weight: 169g China supplier:Email : fangzhengcn@hotmail.com Skype ID : chanceller819