Grab a cocktail mixing glass and fill half of it with ice cubes or crushed ice.
Now, top the ice with 1 shot of fine quality vodka and 2 shots of Orange Carbonated drink.
Take a cocktail stirrer and stir it gently for 5 to 10 seconds until all ingredients mix well and smooth.
Pick up a pre-chilled highball glass and strain the Hi-Fi Cocktail into it.
Take a fresh orange and cut it into thin slices. Select one of the finely cut slices and set it on the side of the high ball glass to decorate it. Serve or drink instantly.