Flexible Power preferences: USB rechargeable with battery backup ensures continuous cooling during travel Lightweight & Travel Friendly: At just 0.54 Pounds, the thin design easily fits in laptop bags or purses, making it perfect for trips, camping, beach outings, aircraft rides Adjustable Air Direction: 180° pivoting head directs ventilation from work area to wall with sturdy triangular base maintaining steadiness during powerful action, great for desks, nightstands, or dorm rooms Customizable Air streams: Featuring a responsive rotating knob for seamless 0 100 adjustments with real time LED display showing current intensity and battery condition Quiet action: Functions below 30 noise units with 100 adjustable streams settings, strong circulation for focus or gentle movement for peaceful sleep