5-Digit Finger Counter Smart Electronic Digital Finger Ring Tally Counter Time Reminder Type-c Waterproof Counter 18/20/22mm


Features:
1.Portable ball counter makes counting easy.
2.Precision buttons, accurate counting, and long button lifespan.
3.Oled display screen, displaying battery level and counting
4.Type-c charging, long-lasting battery life, built-in 75mah rechargeable battery.
5.The ring has three adjustable gears, which is convenient and practical.

Parameters:
Product name: key counter
Material: abs+silicone
Battery capacity: 75mah
Product specifications: adjustable (1st gear 18mm, 1st gear 20mm, 1st gear 22mm)
Color: Green, red, black

Package include:
Counter*1
Type-c charging cable*1
Adjusting ring*2
Instruction manual*1