Features 

Bluetooth sensor: This ensures that your ring is connected to your phone no matter what.

Gps sensor: provides your real-time location even if you do not have you phone with you. 

Transdermal Electrochemical sensor:

this sensor resides on the outside of the ring and senses drugs like GHB or Rohypnol. You take the ring and dip it in your drink to test for drugs and within minutes the app will send you a notification letting you know if it found anything dangerous in your drink. 

Panic button: The feature automatically sends an alert to your friends and family along with emergency services.