1. First, ask yourself: Do I really need it? Target user: those who frequently stay up late, exercise frequently, or have sub-health conditions and want antioxidant benefits can consider Hydro Bottle as a "nice-to-have" drink. Budget: For less than 100USD, you can generally only buy a "bubble cup"; models that truly "measure hydrogen" range from 100USD to 200USD; high-end models with a detection s...
