Portable digital finger ring tally counters, often used for counting laps, keeping score in sports, or tracking mantra repetitions during meditation. Display: They feature a clear 5-digit LCD screen that typically counts from 00000 to 99999. Operation: A large button acts as the counter, while a smaller button resets the display to zero. Design: These devices have an adjustable, comfortable ring intended to fit securely on a finger for easy one-handed operation