LOONCUP is a smart menstrual cup which measures the volume and color of the menstrual fluid over time. It notifies the user when to empty the cup with haptic feedback. It has an RGB sensor, accelerometer, temperature sensor, and bespoke volume sensor.These are combined with other miniaturized electronics on a flexible PCB sealed within the cup.The device is able to detect whether it is inside or outside the body. Once outside, it is able to transfer its data to a smartphone via bluetooth. The data is presented to the user through an easy to use app.