Polar Chest Strap and Transmitter, T34

T31 Polar Transmitter and Chest Strap

• The Polar T31 transmitter belt is a one-piece molded plastic transmitter that includes the elastic strap.
  • Transmitter ONLY is 12" long end to end. 
  • Medium chest strap fits 25" to 54".
• The transmitter is 100% waterproof and designed for durability as well as reliability.