Thank you for viewing. Immediate purchase without comments is welcome. We will clean and disinfect the product with alcohol, and then carefully package it, so please purchase with confidence. ■Product Name Mizuno MAQ (Maru-Q) wireless charger for hardball speed gun ■Product Condition This is a new, unused item. There are scratches on the outer box. ■Using the dedicated app (free: iOS only) and MA-Q, you can record the number of rotations, axis of rotation, speed, etc. of the thrown ball. You can accumulate the data in the app and also output the data to a computer. ■The MA-Q body has a dedicated sensor built into the center of the ball. The size, mass, balance, leather, and height of the seams are the same as those of a game ball. ■The MA-Q dedicated application is only compatible with iOS. Data management for multiple people is possible with one MA-Q ball.