An expert mixologist is always at the ready with this ingenious coaster system. Simply place the included mixing glass atop the Bluetooth-connected coaster, select your drink and follow the instructions on the Barsys Coaster app. The coaster changes color to signal when to start and stop pouring each ingredient. 

• Bluetooth-connected system lets you make fresh, expertly crafted cocktails anywhere.
• Features electromagnetic mixer that automatically shakes or stirs cocktail as you add ingredients. 
• Access to Barsys app library includes thousands of cocktail recipes.
• Made of durable food-grade polycarbonate.