This fan is USB Rechargeable which is Foldable for easy Storage and Carrying. Wind Strength can be controlled with mild, medium, and strong level with dial on product side. 100% Brand new and high quality Portable USB Cooling Fan. Ultra-quite design. Mini size for easy carry. Pitch angle can be adjusted upwards or downwards With key switch. You can adjust wind speed. Humanized hand held fan design. Multi-functional design for office, pram, camping, bed. Foldable and portable, mini size, adjust to different angles. Brushless motor makes the fan strong and durable. The structure of these fans is unique and fashionable. Using the brush and slot less motor,to ensure the high winds and long life; Intelligent control system, reliable performance, which is fully functional and easy operation. This small wonder can hurl up a mini storm. Just charge the battery and you can enjoy gush of air with this rechargeable USB mini fan. Must have for those who work at hot places or those who travel to hot cities. Excellent USB gadget. Works with USB cable (provided) as well as battery (provided) With re-chargeable battery lasts upto 2-3 hours (depending upon the speed) Three speed settings Extremely strong built Must have USB gadget The air throwing reduces a little when powered on USB!!