VEVOR Tennis Ball Machine,4H Runtimeand110 Ball Capacity Auto Ball Launcher, for Beginners and Pro Practice Training, with App Remote Control, Spin Control, 2 Training Modes, and Speeds up to 75MPH

Simulated Match Play: Built-in oscillation and random ball placement cover the entire court, recreating the varied shot rhythm of real matches. Topspin, backspin, and flat shot modes help improve your shot reading and anticipation
Ball Jam Self-Check: The internal program adds a ball jam alert function. When the ball outlet channel is blocked, the ball launcher automatically stops and sounds a buzzer alarm. This helps avoid dry running and motor damage for longer service life
External Battery: The tennis ball machine supports independent charging and delivers up to 4 hours of runtime, greatly reducing charging interruptions so every minute can be spent improving your skills
App Control: You can use the dedicated smartphone app for remote control and real-time adjustment of speed, frequency, angle, and spin. You can customize training plans and save your own ball pattern combinations with our tennis ball launcher
Portable and Easy to Carry: The lightweight tennis ball thrower features all-terrain wheels and a retractable handle, while the built-in grip makes lifting easier and fits easily into your car trunk