This is a mini USB desk fan with stepless controllable speed. It has manual adjustable height arm and on/off switch. Perfect office and home desk cooling fan.<br><br>Features:<br>DC 5V power supply, support any USB ports of PCs and notebook.<br>Plug and play with ON/OFF switch.<br>Stepless controllable speed levels, sending comfortable wind according to your requirements.<br>Manual adjustable height arm and 90&deg; rotating fan angle.<br>Very quite with low noise, low power consumption.<br>Suitable for laptop and desktop with 5pcs ABS blades.<br><br>Specification:<br>Color: White / Black (Optional)<br>Material: ABS<br>Power Supply: DC 5V USB<br>Working Current: less than 500mA<br>Length of USB Cable: Approx. 100cm / 39.4in<br>Operating Temperature: -30→ to 60→ / -22쭴 to 140쭴<br>Operating Humidity: less than 85%<br>Storage Temperature: -20→ to 45→ / -4쭴 to 113쭴<br>Storage Humidity: less than 95%<br>Item Size: Approx. Approx. 180 * 120 * 200mm / 7.1 * 4.7 * 7.9in<br>Item Weight: Approx. Approx. 308.1g / 10.9oz<br>Package Size: Approx. Approx. 18 * 12.5 * 19.5cm / 7.1 * 4.9 * 7.7in<br>Package Weight: Approx. Approx. 429.5g / 15.2oz<br><br>Package List:<br>1 * USB Mini Fan<br>1 * USB Cable