DC4V Portable Mini Neck Hanging Type Negative Ion Air Purifier PM2.5 Removal USB Powered

Feature: 1. USB charging, more convenient to use, and equipped with rope, can be hung around the neck. 2. Made of high quality material, which is not easy to break, strong and durable in use. 3. Portable and easy to carry, eliminate second-hand smoke and dust and purify the air environment. 4. In the metro, public transportation and tourist attractions, solve the air quality problems. 5. The purifier can slowly release 3 million negative ions, the purification meets daily needs. Specification: Condition: 100percent Brand New Item Type: Purifier Material: ABS Battery: Polymer Lithium Battery 450mAh Voltage: DC 4V Current: <40ma Power: <0.2W Negative Ion Release:> 2.25 Million/cm3 Charging Time: About 3 Hours Function: Eliminate second-hand smoke and dust and purify the air environment Weight: Approx. 150g / 5.3oz. Package List: 1 x Purifier1 x Hanging Rope1 x USB Cable Note: