Description: Using high-boron double-layer glass, explosion-proof and easy to clean, no smell Anti-vibration and wear resistance, silicone base, stable and non-slip Elegant and silent, not easy to tip over, protect the desktop USB port for portable charging, with waterproof Upgraded version, any water quality can be electrolyzed, suitable for meeting rooms, offices, homes, and cars Note: Not recommended for outdoor use Specification: Material: Glass Size: Approx. 7x20.7cm/2.75x8.14inch Product capacity: 420ml Full power usage times: 15-20 times Rated voltage: 220V Charging time: 2-3 hours Voltage/electricity rate applicable: 100—240V/50-60HZ Power consumption: 10w Working time: 3 minutes/1 time Package Includes: 1 Piece Water Bottle 1 Piece USB Cable 1 Piece User Manual Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.Customer satisfaction is our primary concern. If the product is somehow cracked or broken during shipping, please feel free to contact us. We will try our best to give you a satisfactory solution.