Photo 1 of Breathalyzer Companion, Pre-Drinking BAC & Time Until Sober Calculator, Portable Night-Out Planner, Personal Results Based on Gender & Weight, Includes 23 Popular Drinks

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Photo 1 of Breathalyzer Companion, Pre-Drinking BAC & Time Until Sober Calculator, Portable Night-Out Planner, Personal Results Based on Gender & Weight, Includes 23 Popular DrinksPhoto 2 of Breathalyzer Companion, Pre-Drinking BAC & Time Until Sober Calculator, Portable Night-Out Planner, Personal Results Based on Gender & Weight, Includes 23 Popular Drinks