<|Features|>： 1、Release 120 million negative oxygen ions, efficiently purify the surrounding air, and discharge harmful substances. 2、Very quiet sound during operation, so it will not disturb your work or rest and you can use it with confidence. 3、Built-in rechargeable battery, energy saving and environmental protection, 60 hours of battery life per charge (30 hours at high speed). 4、It is versatile and can be worn on the neck, hand, bag, stroller or directly on the desk. 5、Fashionable and cute design, suitable for travel, perfect to match with everyday clothes.Item Type: Portable Air Purifier Color: White Gear: 4 Gears Battery: Lithium Battery (Included) Battery Capacity: 300mAh Power Supply Type: USB Cable Use: 1. A. Lightly press the button for 2 seconds to turn on, the power indicator lights up in blue, and the negative ion 1 gear mode is activated at the same time. Press the button again to switch to the negative ion level 2, 3, and 4 mode, and press the button for the fourth time to return to the level 1 working mode. B. Press and hold the button for 2 seconds to shut down. 2. Use the USB charging cable of this product to plug into a 5V power adapter with a USB charging interface to charge. The charging time is about 1 hour, please unplug the charging data cable after fully charged. When the product is charging, the battery indicator flashes, and the blue light stops when it is fully charged. When the product is working, the power indicator lights up in blue. When the battery is low, the battery indicator flashes quickly to remind you to charge as soon as possible 3. After the product is fully charged, the continuous working time is about 60 hours in low mode and 30 hours in high mode. Mixed use of high and low gears, battery life is somewhere in between. (Under the theoretical value, subject to various environmental influences) 4. By default, each gear will work for 30 minutes, and when the time is up, it will automatically shut down after 10 minutes of standby.1 x Host 1 x Manual 1 x USB Cable 1 x Lanyard 1 x Keychain