Features: 
1.Portable ball counter makes counting easy

2.When counting, the thumb rolls down to start counting, the scroll wheel is smooth, and the operation is silent

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 can be adjusted in three gears, which is convenient and practical

Parameters:
Product name: Ball counter
Material: Abs+silicone
Battery capacity: 75mah
Product specifications: Adjustable (1st gear 18mm, 1st gear 20mm, 1st gear 22mm)
Color: Emerald green, rose gold, black

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