Features: Electrolysis time is shorter and the parameters are more stable, which is suitable for all drinking water quality, and effectively solve the problem of residual hydrogen and oxygen after electrolysis, making drinking water safer and healthier. Made of high quality material, which is harmless, easy to clean and durable in use. Hydrogen-rich cups can produce oxygen-rich beauty water, the beauty, clean residues, do not produce scale. Hydrogen-rich cup of high-quality polymer lithium battery,that make it longer charge life; It uses USB power connector, charging more convenient. Hydrogen-rich cup with cup cover buckle design, better sealing, easy operation, its base with EVE pad,stable and non-slip. Specification:Condition: 100% Brand NewItem Type: Rich Hydrogen CupMaterial: ABS+PlasticColor: As shown in the pictureSize: Approx.7x22.6cm/2.8x8.9in(W x H)Capacity: 280mlHydrogen-rich Concentration: ≥800ppbNegative Potential: -200-0mVCharging Time: 3-4hFull Electricity Electrolysis Times: 10 times / cupOne electrolysis time: 5minApplicable Water Quality: Pure water, mineral water, purified waterApplicable Water Temperature: 1~45°CNet Weight: Approx.615g/21.7ozPolymer Battery: 1200mAhPower Adapter: AC220V 50Hz/5V1A Package List: 1 x Rich Hydrogen Cup 1 x USB Cable Note:1. Because there was a manual measuring ,the size may has 1-2inch difference.2. The color may be slight different due to the condition or light or different monitor.