Portable Air Cooler Fan with 7-Color LED Lights Portable and Energy-Saving Design: Featuring a portable handle, this USB air cooler can be easily moved anywhere you need it. The portable air cooler operates with low power consumption; simply connect the USB cable to a USB-enabled device. (Please note that it requires a 5V/2A input for high-level wind and mist operation.) 7-Color LED Lighting and 3 Automatic Timing: This small air conditioner features an adjustable warm LED light with 7 colors and 3 automatic timing settings (1/2/3 hours). You can choose the one that best suits your leisure time, sleep, or work. Cools and humidifies the air Purifies the air from dust Ultra-quiet and adjustable wind speeds and misters Air conditioner with 2 intake and exhaust fans 600ml water tank capacity, operating time up to 12 hours Small, lightweight, and portable USB powered