What's in the box:

Portable Necklace Air Purifier Fresh Air Circulation Purification USB Rechargeable Safe for Pregnant Baby (Black)

The air purifier can release negative ions to purify your personal space, enjoy fresh air. It is quiet and safe for pregnant and baby, portable necklace design for any occasions.

Features:
Release million negative ions for circulation purification, enjoy fresh air.
Double negative ions heads, cabron fiber hairbrush, better purification effect.
Negative ions will adsorb suspended particles in the air, such as PM2.5, formaldehyde, pollen, second-hand smoke, pet hair, etc.
Simple appearance, small body, portable necklace design.
USB rechargeable, 0.5h quick charge, 24 hours long-time work.
PC eco-friendly material, metal gloss.
Quiet work, high-efficient purification, no influence for your sleep.
Suitable for any occasions of home, school, outdoor sports, outgoing, etc.

Specifications:
Material: ABS
Color: White, Black (optional)
Input Voltage: DC5V
Input Power: 0.1W
Battery: 3.7V 200MAH
Noise: 10dB
Air Purifier Volume: 50m3 / h
Rated Frequency: 2KHZ
Applicable Area: 10
Pollutants Reduction Rate: Less than 96%
Negative Ion Concentration: 6 million/cubic centimeter
Charge Method: USB
Charge Time: 0.5h
Use Time: 24h
Item Size: 60 * 55 * 20mm / 2.36 * 2.17 * 0.79in
Item Weight: 30g / 1.06ounces
Package Weight: 300g / 10.58ounces
Package Size: 100 * 100 * 55mm / 3.94 * 3.94 * 2.17in

Packing List:
1 * Air Purifier
1 * Chain
1 * USB Cable
1 * User Manual