Necklace emits negative ions in order to purify the surrounding air. 

Air purifier air volume: 50 cubic meters / hour
Noise: 25 (dB)

Product size: about 39*39*16.5mm
  Voltage: DC5V
Power: <1W
Current: <12mA
Material: ABS

Features:

1. Personalized accessory air purifier

2. Ultra-small size, easy to carry

3. Short-time charging, long standby

4.USB magnetic charging, convenient and fast

Name: Necklace Portable Air Purifier

Product size: about 39 * 39 * 16.5mm

Packing size: 155 * 68 * 23mm

Weight: 80g (including packaging weight)

Number of boxes: 80

Box gauge: 32.5 * 29 * 24.5cm

FCL weight: 7kg

Voltage: DC5V

Power: <1W

Current: <12mA

Material: ABS

Silent decibel: ≤25db

Color: blue, white, silver

Charging time: about 1 hour

Working time: about 12 hours

Charging method: USB magnetic (while charging, the red light is always on; fully charged, the red light is off)