Neck Hanging Necklace Type Mini Portable Negative Ion Air Purifier Low Noise USB ChargingWhite

Feature: 1. Actively protect you from PM2.5, smoke, pollen, dust and other pollutant. 2. Continuously release a large number of negative ions, purify air and provide comfortable environment. 3. Portable and easy to carry, it can be used in your car and can be hung around your neck. 4. It can be placed on your desk during work or by your bed at night, convenient and practical. 5. USB charging ensures fast charging, long battery life, no filter replacement, compact and exquisite. Specification: Condition: 100percent Brand New Item Type: Air Purifier Material: ABS Type: Air Purification Input Voltage: 3.7V (battery), 5V (USB power) Power Consumption: less than 0.5W Power Supply: Polymer Lithium Battery 180mah Anion Concentration: 5000000pcs/cm3 Charging Time: About 1 Hour Battery Life: About 10 Hours Operating Temperature (Operation): -10 celsius ~40 celsius (14 Fahrenheit ~104 Fahrenheit ) Ambient Temperature (Storage): -20 celsius ~60 celsius (-4 Fahrenheit ~140 Fahrenheit ) Color: Pink, White (optional) Product Size: Approx. 8 x 5 x 2 cm / 3.1 x 2 x 0.8 in Weight: Approx. 133g / 4.7oz. Package List: 1 x Air Purifier1 x User Manual1 x Buckle1 x Placement Slot1 x Hanging Rope1 x USB Cable Note: 1. Please allow 0-2 cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.