1. State of art design 2. Sparkle anything:applicable to carbonate all Mixed Drinks (Juice, Coffee, Cocktail, ect.) 3. Safe and easy to use: super convenient with one-hand operation; quick bottle fixing; time saving by 50% 4. 2-step gas relief: avoid overflow for mixed drinks 5. Washable detached injection pipe: avoid fruit or sugar particles blocking 6. Two auto-relief Valves + two manual relief valves to minimize the risk of blocking