comfortable

No molding required

OUTSOLE: Nine-cleat traction with shorter supplemental cleats for increased lateral movement

Micro push-button light

New Other Sony Smart Tennis Sensor to Track and Watch Real Life Shots Red 5.1 x 4.7 x 2.6 inches:Red comfortableBox damage due to storage. Track and watch your shots in real time By attaching the Smart Tennis Sensor to your racket1, all your shot data is recorded and can be displayed in real time on your smartphone via Bluetooth. Through the app screen, you can check the swing (shot) type, ball speed, swing speed, ball spin, ball impact spot, and other data for every shot. Live Mode and Live Mode Video let your record shot data together with actual video