Polar H1 Heart Rate Sensor Black, M-XXL

Polar H1 HR PRO Sensor :: H1 Heart Rate Sensor: A streamlined heart rate sensor that connects to Polar heart rate monitors using 5 khz transmission. Comes with the Polar pro strap. Comfort is the key when training. Thats why Polar created Polar H1, the slim heart rate sensor that comes with the Polar Pro Strap, a comfortable textile chest strap with interferenceblocking extra electrodes, slippreventing silicone dots and a secure buckle that keeps the strap firmly in place. With Polar H1, you can focus on your workout, not on your gear.

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Provides continuous, accurate heart RATE measurement using 5kHz coded transmission. Note: This device is not Bluetooth compatible.
Comfortable textile chest strap with interference-blocking extra electrodes
Slip-preventing silicone dots and a secure buckle that keeps the strap firmly in place
Polar h1 is compatible with gym link. Compatible with ft1, ft2, ft4, ft7, ft40, ft60, ft80, rcx5, rs400, rs300x, rs100, cs300, cs200cad and cs100
User replaceable Battery