Specifications: Temperature and humidity sensor display, Sapphire blue glass mirror effect, 20 million high-concentration negative ions, Less static, Necklaces and leather cords are available, giving a variety of choices for sensitive skin. It can be used in multiple scenarios. It can be used in the car, office, exercise, and shopping.
Description: Specification Product material: lens+ABS+PC Product size: 66x28x17.9mm Color box size: 10.3x8.9x4.5CM Product weight: 37G/122g Negative ion concentration: more than 20 million/CM3 Voltage: DC5V Battery: 240MAH, rechargeable Charging time: 1H Use time: 12-20 hours Standby time: about 36 hours (for full discharge and full charge)