price_commentary=<ref>https://www.indiegogo.com/projects/bioring-the-personal-trainer-on-your-finger-fitness-gadget#/</ref>|
operating_system=iOS 8 Android 4.4|
operating_system_commentary=later Bluetooth®smartWindows Phone|
sensors1=3-axis accelerometer, Optical heart rate monitor,Bio - impedance sensor|
sensors_commentary=<ref>https://www.indiegogo.com/projects/bioring-the-personal-trainer-on-your-finger-fitness-gadget#/</ref>|