The slim and light Polar WearLink 31 coded transmitter is compatible with all Polar Heart Rate Monitors. Comfort and functionality combined The WearLink transmitter is one step towards the concept of functional clothing. The transmitter consists of an electrode strap and a connector. Its new clip-on mechanism ensures quick and easy wear – the belt is easy to put on and take off. The WearLink transmitter adapts comfortably to the individual body shapes of the users. Whether you are out skiing or inside playing squash, the soft textile exterior feels like clothing on the skin – no chafing or pinching. The transmitter’s textile strap is removable and machine washable.

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The transmitter is compatible with all current Polar Heart Rate Monitors in the market. The transmission is coded with the Polar AXN300, AXN500, AXN700, CS100b, CS100, CS200, CS200cad, F6, F11, F55, F92ti, FS2c, FS3c, M31/32, M61/M62, M71ti, M91ti, S210, S410, S510, S520, S610i, S625X, S710i, S720i, S725, S725X, S810i, RS100, RS200, RS200sd and WM42/WM41. The transmission is non-coded with the Polar A1, A3, A5, F1, F2, F3, F4, F5, FS1, FS2, FS3, S120, S150 and WM21/WM22. Polar Electro products can only be shipped in the U.S.