Heart Rate Monitor Pro Size:NO SIZE this racket caters to avid

this racket caters to avid Roger Federer and Pro Staff fans by maintaining the signature precision and pure feel emblematic of the Pro Staff series Racket design sports black elastic base

Wraparound

red reading light

LIGHTWEIGHT & FLEXIBLE SUPPORTPowerful

Lenses - polycarbonate

Heart Rate Monitor Pro Size:NO SIZE this racket caters to avidHeart Rate the Easy, Accurate Way: This premium heart rate strap transmits real time heart rate data over ANT+ connectivity and BLUETOOTH Low Energy technology, giving you more training options. Consistently receive accurate heart rate on your Garmin device, in online training apps such as Zwift or even the compatible fitness equipment at the gymTrack Running Dynamics: In addition to heart rate, HRM Pro captures running dynamics that can help you