Protect your safety: The portable ionized air purifier has no radiation. Negative ions effectively combine the electrostatic radiation of TV and computer to form a negative ion shielding layer to reduce radiation damage to the skinLong-term sleep mode: The battery capacity is 700mAh can be charged for 3 hours the high-end battery life is more than 30 hours and the low-end battery life is more than 60 hours. The air purifier can be adjusted in two gears and the amount of negative ions can be adjusted in two gears. 80 million low-level negative ions can meet your different needsNo noise and easy to use: the sound is very quiet during operation and will not disturb you during work or rest. The operation is very simple just press the button for two seconds to enjoy the fresh air. We have two games one white and one black. You can accept it with your partnerPortable and durable: This mini air purifier is simple and compact. It can be hung around the neck hung on the car very fashionable and can be used to create a clean good air area in travel public places or other places with poor air quality. Let fresh air always accompany youEfficient purification: This ionic air purifier releases more than 120 million negative ions to purify the air to remove pollutants in the personal space. It is scientifically proven that it can effectively purify indoor air and harmful indoor substances (such as pollen dust) second-hand smoke and air polluted by bacteria mold formaldehyde and even PM2.5 pollutants