Features 1、PROTON EXCHANGE MEMORIAL: Our hydrogen water bottles utilize proton exchange membrane (PEM) technology, which rapidly electrolyzes water, separates and releases h2 and o2 without residuals such as ozone or chlorine. 2、HIGH EFFICIENCY: The higher the mineral content of the water, the stronger the electrolysis effect and the higher the hydrogen content during the hydrogen producing 3 minute micro electrolysis cycle. 3、HEALTHY DRINKING: Hydrogen water generator will give you the best hydration, boosting your metabolism, improving the quality of sleep and skin health in a nature way. 4、SAFETY AND DURABLE: Made of double layered fine, eco friendly food grade high borosilicate glass for superior durability and safety. The covered silicone part is removable and can be removed when not in use. Also, you can activate it by pressing the button. 5、IDEAL GIFT: Long term consumption of hydrogen rich water helps to improve muscle soreness and reduce physical fatigue after working out, making it a great present for family and friends. Specifications Item Type: Hydrogen Rich Water Bottle Material: Glass, Pt Ti Alloy, Silicone, Stainless Steel Weight: Approx. 690g / 24.3oz Capacity: 420ml Battery: Lithium Battery 1000mAh (Built In), Full Charge Can Work 15-20 Times Product Size: Approx. 7x21cm / 2.8x8.3in Package List 1 x Hydrogen Rich Water Bottle 1 x USB Cable 1 x Instruction Manual