DC5V USB Powered Portable Neck Hanging Negative Ion Air Purifier for PM2.5 Formaldehyde Removal

Feature: 1. Made of high quality ABS material, which is not easy to break and durable in use. 2. USB powered mini air purifier, more convenient to use and easy to carry around. 3. With hanging rope on the air purifier, portable and can be hung around the neck. 4. 5 hours long term operation and 20 minutes charging time, silent and reliable. 5. Effectively remove PM2.5, formaldehyde and smoke around your living environment. Specification: Condition: 100percent Brand New Item Type: Air Purifier Material: ABS Battery: 180mAh Power Supply: USB Voltage: DC5V Function: Remove formaldehyde Control Method: Mechanical Application Area: Within 10square meters Filter Type: Composite Filter Working Principle: Negative Ion Air Purifier Air Volume: 50m3/hour Noise: 30dB Weight: Approx. 85g / 3oz. Package List: 1 x Air Purifier1 x USB Cable1 x User Manual