Rich in antioxidants, reduces muscle soreness and physical fatigue after exercise. Makes water molecules smaller, promotes metabolism, improves sleep and skin health. Quickly electrolyzes water to release hydrogen ions, reduces oxidative stress. Lightweight and compact, ideal for office, travel, and work use. Made of high borosilicate glass, safe and healthy, with long service life and high hydrogen concentration. Item Name: Water Cup Material: Glass Capacity: 450ml Rich Hydrogen Content: 1500-3000ppb Battery Capacity: 1500 MAh Power Cord: USB Features: Rapid Electrolysis, Transparent, Leakproof Size Details: L: 21.5cm or 8.46", W: 7cm or 2.76" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: Black 1,Beige 1: 1 x Water Cup 1 x USB Cable or Black 2,Beige 2: 1 x Water Cup 1 x USB Cable 1 x Adapter or Black 3,Beige 3: 1 x Water Cup 1 x USB Cable 1 x Multi-use Adapter 1 x Pipe