HEAD Tennis Sensor
Tech specs 
Weight7 grams
Battery life5 - 6 hours tracking time, 3 weeks battery standby, magnet charging
Water resistanceYes
Internal memory
Smart watch compatible
Compatible brandsHead. Compatible with Graphene XT and Graphene Touch racquets.
Impact locationYes
Number of shotsYes
Shot typeForehands, backhands, slices, volleys, serve, smash
Spin type
Swing speed
Ball speedYes
Live trackingYes
Video function4D serve animation
OtherFour modes of use: play, train, compete and 3D serve.
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