Feature: 1. This product can inject additional hydrogen molecules into your drinking water, and the effect is very good. 2. Through regular use, it can restore metabolism, help prevent bad cholesterol and slow down the aging process. 3. It can make drinking water rich in nonoxidants, help improve sleep quality, fight inflammation, and improve skin health in a natural way. 4. Provide test penit can also test water quality and has a wide range of uses. 5. Compact design, easy to carry, can supplement nutrition anytime and anywhere. How to Use: Put it in the liquid to be tested. (Please refer to the manual for details) Specification: Product Name: Hydrogen-Rich Cup Weight: Approx. 877g / 30.9oz Color: Blue Material: ABS+Glass Test Pen Use: Water Quality Test Water Quality Test Pen Battery: 3 x LR44 Button Battery (Battery Not Included) Hydrogen-Rich Cup Battery: USB Charging, 1 x 3.7V 1000mAh Lithium Battery (Battery Included) Applicable Industries: Swimming Pool, Water Plant Laboratory, Aquaculture Industry, Drinking Water, SPA Package List: 1 x Hydrogen-Rich Cup 1 x Test Pen (Battery Not Included) 1 x USB Cable 2 x Manual