Mini Portable Air Purifier Necklace Negative Ion Generator Black

1. The tip technology is used to release a amount of oxygen anion. The latest carbon brush negative generator design uses over 3 million negative ions to effectively remove harmful substances such as floating dust smoke formaldehyde and PM2.5 in the air. 2. Release a amount of oxygen anion decompose smoke odor and formaldehyde benzene and other harmful gases released by car parts (such as leather). 3. Mini portable necklace design and convenient to carry. 4. Easy to operate one button for on/off.Just press the button for two seconds to enjoy the air. 5. Gift of Love: design make your surroundings more colorful more . Perfect gift for family and . Voltage (V): 5V Style: Air Purifier Type: Negative Noise: less than 50dB Anion Density: 3 million pcs/cm³ Number: Air Purifier Necklace Supply: USB Battery capacity: 200mAh Charging time: about 1.5 hour Fully work: about 12H Weight:23g colour:Black Material:ABS size:68 x 38 x 17mm Package Contents: 1 x personal air purifier 1 x usb cable 1 x lanyard 1 x User manual Only the above package content other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.