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Amazon.com : Slinger Portable Tennis Ball Launcher - Ball Thrower Machine with Multi-Function Tennis Racket Bag & Ball Basket - Remote - Grand Slam Pack Comes w/Oscillator, Telescopic Ball Tube and Camera
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VEVOR Portable Tennis Ball Machine—APP Control Count—5 Out Modes—29 Out Lines—Custom 1-20 Point—Adjust 20-140 km per h—40 Pounds—Lasting 6-8 Hours—150-Ball Capacity | VEVOR US
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