1. Material: ABS+silicone
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 grams
8. Size: about 5.6x2.3x1.9 cm, the length of the lanyard is about 42.8 cm

Features:
1. Carbon fiber brush, recycling, natural and healthy
2. Smooth surface, no radiation, safe to use
3. One-key boot, long press for 2 seconds to start, simple operation
4. USB charging, which can be connected to USB ports such as computers and power banks for charging
5. ABS shell, wear-resistant and drop-resistant, delicate and comfortable hand feeling
6. The lanyard mouth is strong and not deformed