アイコーチ 交換用ボール

Description

🎾 Elevate your game with every bounce — don’t miss out on pro-level training!

The アイコーチ 交換用ボール is a high-quality replacement tennis ball featuring a brass and plastic grommet, engineered for use with the Eye Coach tennis trainer. It supports up to 8 hours of rigorous practice, enabling players to improve their skills with just 5 minutes of daily training. Portable and trusted by professionals globally, it’s the essential upgrade for serious tennis enthusiasts.