USB Negative Ion Home Portable Air Purifier Three-In-One Filter 4 Working Modes Air Quality Detection Night Light Low Noise

High-Effective Air Purifier: Air purifier provides the 360° air cycling design which can cover up to 20m² (216ft²) area. Its CADR rating is to 55m³/h, purifying efficiency to 40m³/h for a room circulates air., The air purifier adopts 360° three-dimensional surrounding air intake and double-layer spiral air outlet to purify the whole house. 360° air intake, air circulation quickly accelerates purification, keeping away from indoor pollution., 4 operating modes: There are four air purification modes. Three modes can be adjusted with one click to adjust the ultra-fast mode purification. The automatic mode allows the purifier to automatically purify the air according to the air conditions., Automatic air detection function: The air purifier detects the air through its automatic air detection function. It can reflect the air condition, with green light showing good performance, blue light showing average, and red light showing hard., EASY TO USE AND QUIET NOISE CONTROL: The air purifier comes with a portable strap for easy installation and can be easily carried anywhere. Air purifiers focus on more powerful filtration and lower noise.