The companion mobile app is available on iOS and Android.
Use Bluetooth to connect Keen/Keen2 to the app for a less than 30-second patented gesture training process.
Being connected to the phone is not necessary once the Keen bracelet is trained for your behavior.
Reconnect and s
Keen2 includes a digital watch face to keep you on time. 
Set the detection zone and rate to your liking. 
Customize the vibration length and strength. 
Train up to four (4) areas, specific to your unwanted behaviors. 
Awareness training empowers choice and control over your BFRB. 
Improved gesture detection to get more accurate data on your BFRB. 
Keen offers data tracking, and Keen2 offers enhanced data tracking. 
Keen2 offers cloud data storage. 
Keen2's data analysis gives you a better understanding of what triggers you.
Identify your behavior patterns, triggers and urges. 
NIH funded research created scientifically proven Habit Reversal Training strategies. 
With the power of "Keen" awareness you can Retrain your Brain by making healthier choices. 
Replace your unwanted behavior, guided by Keen's deep breathing light. Just push Keen's button for 10 seconds to initiate.
Track mood, activity and emotional triggers with Keen2's in-app journal.
Walk off any restless energy with Keen2's step tracking feature. 
HabitAware Keen Sizing Guide
Not sure which size is right for you?
It's important that Keen has a snug fit on your wrist. Here's a quick guide to help you decide which bracelet size to order:
Keen2
Small/Medium
Fits kids and adults with small-medium wrists
min: 5.25 inches (13.3 cm)
max: 7.50 inches (19.0 cm)
Large
Fits adults with large wrists
min: 6.15 inches (15.6 cm)
max: 8.50 inches (21.6 cm)
Sporty Keen (original)
Small/Medium
Fits kids and adults with small-medium wrists
min: 5.1 inches (13.0 cm)
max: 6.8 inches (17.2 cm)
Medium/Large
Fits adults with medium-large wrists
min: 6.3 inches (16.0 cm)
max: 8.2 inches (20.8 cm)