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Smart Tennis Ball Machines
Designed for beginners, junior players and everyday solo practice, the R Series combines a lightweight 7.5 kg design with stable, consistent ball delivery at speeds up to 90 km/h. Adjustable topspin and backspin, 1–9 second feed intervals, voice control and line drills provide an ideal balance of portability and training versatility. R3 Pro adds AI-powered training modes to sharpen movement, recovery and on-court reactions.
Founded in 2024 in Chengdu, Sichuan, Chengdu Weiwan Technology Co., Ltd. is a technology enterprise focusing on the R&D,…