Based on user feedback, we have decided to bring down the rating of this product to 2.5 stars. Issue: Hardware. [Updated 1/19/2018]
Understand the way you play and improve your game with the QLIPP Tennis Sensor. Attaching directly to your tennis racket, and fitting virtually any model, this ingenious sensor is able to detect your spin, stroke, and sweet spot with accuracy. Rerecording all of this data, your performance is logged right into the QLIPP app in real time for your review. You can also use the app to record your performance and watch the replay in slow motion to find out the exact changes you need to make to excel. With every stroke analysed, the QLIPP Tennis Sensor lets you improve at a much faster and nearly instantaneous rate. You can even share your new results on your favorite social media networks for your friends to follow along.