Suunto Dual Module Comfort Dual SS013594000 Monitor for Suunto Heart Rate Belt (Belt Not Included) Unisex Black by Suunto

COMFORT BELT MODULE – DUAL DUAL MODULE FOR SUUNTO COMFORT BELT Suunto Comfort Belt module can be used together with all the different Comfort Belt straps. Compatible with Suunto Ambit, Ambit2, Ambit2 S, Ambit2 R, M4, M5, Quest, t3, t4 and t6 heart rate monitors. The Comfort Belt or the Dual module are not compatible with Ambit3 watches