【Portable & Purify Effectively】-This negative ion generator has a compact portable size:115*115*43mm, perfect for indoor use. This ozone purifier can make the air in the room or other narrower spaces fresher, remove various odors effectively, improving your life quality and bring you more health! 【Two Modes & Versatile Usage】-Two working modes to meet your demands: cycle deodorization mode and single deodorization mode, you can choose any mode according to actual needs. It is perfect for home, shoe cabinet, room, refrigerator, wardrobe, toilet, car, outdoor camping or many other enclosed space. 【USB Charging & High Efficiency】-Upgraded micro USB charging port, make the charge more convenient. Built-in 1800mAh rechargeable battery provide this air cleaner enough power to working, up to 48 hours with 20 mg/h O3 output. With CE, FCC, RoHS, it is safer, healthier and more efficiency. 【Cute Appearance & Premium Material】-The simple equilateral triangle shape is cute and fashionable, the ozone machine can match various of home decoration styles. Made of high-quality material, it is durable, sturdy, and long lasting. High Performance Portable Ozone Generator Air Purifier Machine Bring You More Health! ZHIYU portable ozone generator has high efficiency to generator ozone anytime anywhere, help improve the air condition, keep you stay away from polluted air and enjoy high quality life. Main Features: Two modes: “In cycle” mode and “Continuous” mode, you can switch this two mode freely. Portable and compact size, 20 mg/h O3 output, high-efficiency, and easy to carry around. Built-in 1800mAh rechargeable battery, eco-friendly, and long-lasting. Made of premium material and with sufficient factory testing, durable and much safer. Multiple Usage: Suitable for refrigerators, shoe cabinets, wardrobes, toilets, cars, and other small enclosed spaces.