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Both the Suunto Smart Sensor module and chest strap should be rinsed with fresh water after each use.
Do not pull the Suunto Smart Sensor module off the belt. This may damage the chest strap connectors. Unsnap one side at a time.
The chest strap should be machine washed in 30° C after every 2-3 exercises. See the belt tag for further washing instructions.
Do not machine wash the Suunto Smart Heart Rate Belt module. Machine washing damages the module.
The Suunto Smart Sensor module should last a long time but the the chest strap will wear out like any textile will and may need to be replaced when the heart rate reading becomes unreliable. See Troubleshooting