... on/off switch, plug and play USB fan with program flashing word1.mini usb fan for PC, laptop, office use2.powered ... like5.Two pcs of soft blades, no hurt, strong wind and low noise.6.soft neck you can pack ... , it is not necessary with air-condition for cool environment anymore, just with DC 5V fan, energy saving.10.Working ... a wonderful product.12.Product size:36cm usb fan with flashing word (KL-8217)