Features: Health gift choice: Long-term drinking of hydrogen-rich water may support metabolism, help relieve muscle soreness, and promote better sleep. Made of food-grade high borosilicate glass, durable and free from harmful substances. The portable hydrogen water generator features a sealed lid design with thick sealing rings for reliable leak prevention. Utilizes advanced technology to rapidly electrolyze water in approximately 3 minutes, producing hydrogen-rich water from regular drinking water. Suitable for various types of drinking water, helping to provide improved quality water. Simple to operate and clean: gently press the button to activate, indicated by a blue light at the base. Both the bottom and top components can be easily unscrewed for thorough cleaning. Sleek and modern design with a soft non-slip pad at the base for stability. Equipped with USB charging for convenient use at home, in the office, during travel, or after exercise. 360ml capacity meets daily hydration needs. Note: Actual color may vary slightly due to lighting. Allow 1-3cm variation due to manual measurement. Material: High Borosilicate Glass Size: 22.3x6.7x6.7cm Specifications: Three generations silver / five generations silver Gross weight: 550g / 545g Product dimensions: 22.3x6.7x6.7cm Package dimensions: 23x10x10cm Capacity: 360ml Operating temperature: 0-60°C Hydrogen concentration: 600-900 ppb Rated voltage: 5V Maximum power: 4W Operating cycles per charge: 12-15 uses Charging time: 3-3.5 hours Package List: 1 x 360ml Hydrogen Water Generator Bottle