1. Material: ABS, steel, aluminum 2. Voltage: 3.7V 3. Battery capacity: 200mAh 4. Power: 1W 5. Negative ion concentration: 1999W 6. Usable area: Within about 10 square meters 7. Weight: about 33.5 grams 8. Size: about 2.4x6.35 cm, the length of the lanyard is about 64 cm
Features: 1. Carbon fiber filter brush, 1999W release negative ion concentration, enjoy fresh air at any time 2. Running decibels below 20dB, quiet and low noise 3. One-key boot, long press for 2 seconds to start, simple operation 4. USB charging, can be connected to a computer, power bank, etc. for charging 5. Metal shell, wear-resistant and radiation-resistant
