Features: brand new and high quality Our new arrival upgraded desk fan is equipped with 2-speed strong wind, ultra-quiet . Brings you unimaginable coolness at home, office, outdoors and various occasions. For multiple occasions,easily use as a desktop fan or ceiling hanging wall hanging camping fans... This small table fan is quite low noise that won'for t disturb your sleep and reading, for ideal for use in bedroom, office and library. USB powered: Powered by a long usb cable. Portable desk fan works with computers, laptops, power banks, other usb-enabled power supply and adpter. Specifications: Product Name: USB Fan Model:CS-6688 Built in Battery: 1200mAh Product material: Plastic Power: 5V 1A 5W Product size: approx 166mmx83.5mm/6.3x6.53x3.3 in Working Speed: 1/ 2 Color: White/ Yellow Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment. Package includes: 1 PC x USB Fan