Keep cool as you work or play with this portable desk fan. It has a generous 6" size fan with 3 speed settings and a wind mode for the ideal comfort level. With the 45 degrees angle adjustment you can get the cool air just where you need it, and thanks to the two built-in 18650 rechargeable Li-ion batteries you can keep cool without the need for mains power. To charge, simply connect to an available USB power source using the supplied USB cable. The front guard can also be easily removed for cleaning. Low, Medium, High Wind Modes 45 Angle Adjustment 2400mAh Rechargeable Battery Low: 1600RPM? Medium: 2100RPM High: 2500RPM Wind: 1600-2500RPM Height 266mm Width 169mm Weight 440g Depth 118mm