Yupiteru Golf Swing Measures head ball and smash Bluetooth Data management and settings Made in GST-7BLE Trainer speed, speed, distance, factor.

Dimensions: 124mm (D) x 60mm (W) x 18mm (H) Body weight: 110g Operating time: Approximately 10 hours on a full charge Charging time: Approximately 3 hours Head speed measurement range: 10.0~99.9 m/s Ball speed measurement range: 15.0~99.9 m/s (when using a putter: 0.5~15.0 m/s) Ball striking efficiency measurement range: 0.10~1.80 Number of records retained: 199 Power supply: DC 3.7V (Lithium-ion battery)