Sensor

Counting the number of shots

Swing type:

• Forehand : Stroke (Top spin/slice), Volley
• Backhand : Stroke (Top spin/slice), Volley
• Overhead : Smash, Serve

 

Operating environment of the sensor

Water resistant: IPX5 equivalent (*1)

Dust resistant: IP6X equivalent (*2)

Operating temperature: -5 °C – 50 °C (23 °F – 122 °F)

Charging temperature: -0 °C – 40 °C (32 °F – 104 °F)

^(*1) Water sprayed from any direction have no harmful effects.

^(*2) No dust entry.

 

Data communication

Wireless communication standard: BLUETOOTH Ver. 3.0

Maximum communication range: 10 m (33 feet) or more

Transmission output: Class2 (2.5 mW)

 

Battery

Power source: Built-in rechargeable lithium-ion rechargeable battery (50 mAh)

Charging type: USB power (connect to the supplied cradle)

Charging time: Approx. 120 minutes (full charge from low battery, 45 minutes till 80%) (*3)

Battery life:

• Live mode: 90 minutes (*4)
• Memory mode: 180 minutes (*4)

^(*3) At 25 °C (77 °F)

^(*4) Estimated battery life at recording rate of 500 shots per hour, starting from full charge. Battery life may vary depending on factors such as number of shots and rate of shots.

 

Cradle

Power source (connector): USB-based charging (micro USB connector)