Price: $ MSRP: $

Model Number:

The Timex Flex Tech Digital 2.4 Heart Rate Sensor features a soft strap for utmost comfort during the hardest of workouts. Pair it with your Timex Digital 2.4 heart rate monitor featuring ANT+ technology, including the Ironman Run Trainer, Race Trainer or Global Trainer for continuous heart rate data.

Compatible Devices

  • Ironman Run Trainer GPS
  • Ironman Global Trainer GPS
  • Ironman Race Trainer
  • Ironman Race Trainer Pro


  • Provides continuous heart rate data to Timex Digital 2.4 HRM sport watches and Bodylink® systems featuring ANT+ technology
  • Comfortable soft chest strap; no plastic touches skin
  • Fully adjustable strap fits most
  • Transmitter detaches to hand-wash strap
  • Digital transmission eliminates 'cross-talk' and interference with other frequencies
  • Slim profile sensor is water resistant; heart rate data not accurate under water
  • User-replaceable battery; includes CR2032 installed
  • Compatible watch models, reference watch case back: 229, 242, 255, 536, 843, 844, 878

More From Heart Rate Monitor Accessories

More From GPS Watch (Speed-Distance ) Heart Rate Accessories

Customer Reviews

Be the first to write a review for this product!