Negative Ion Hanging Neck Air Purifier

This ion air purifier releases more than 10 million negative ions to purify the air to remove contaminants in personal spaces. It can effectively purify the air polluted by indoor air and indoor harmful substances thereby improving your mood and sleep.
Features:
1. Long battery life: Fully charged for 0.8 hours. can last 4-8 hours. usb recharging ready to charge at any time.
2. Function: Start to get better sleep quality. improved concentration. clearer immune system. reduced headaches. and greatly improved body function.
3. Comes with lanyard: Light weight and portable size. you can wear it all day without feeling tired. Won't disturb you even while you are working or taking a rest with a quiet fan and motor.
4. Simple to Use: The portable air purifier is small and does not require complicated settings. Press and hold the power for 3 seconds to turn the power on and off. It can be easily used by the elderly and children.
5. No noise: No troublesome maintenance. no filter replacement. quiet design. no operating noise. This is an ultra-quiet design. It is comfortable to wear. silent. and portable.