Downbeat's sensory package uses a variety of calming measures customizable to the user's preference. Downbeat works through the following features:

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Heart Rate Monitor: A sensor monitors the user's heart rate, and automatically deploys the sensory feedback measures if a sudden rise in heart rate is detected

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Auditory Feedback: A small speaker automatically plays a sound file pre-uploaded by the user via a micro SD card. This sound file can be a song that the user knows calms them down, or an assuring voice recording from someone close to them; anything that might lower their stress levels during an attack.

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Haptic Motor: A pulsing motor vibrates to a beat determined by readings from the heart rate monitor. It pulses at a rate slightly less than that of the user, and continues to coerce their heart rate down.

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LEDs: Several LEDs flash at a brightness that illuminates the device through the user's clothing, alerting those nearby that the user needs assistance.