Polar X9 user manual Technical Specifications

The combined impact of moisture and intense abrasion may cause a black color to come off the heart rate sensor’s surface, possibly staining light-colored clothes. If you use perfume or insect repellent on your skin, you must ensure that it does not come into contact with the heart rate sensor.

Technical Specifications

Battery type	CR 2025
Battery sealing ring	O-ring 20.0 x 0.90
	Material Silicone
Battery lifetime	300 h
Operating temperature	-10 °C to +50 °C/ 14 °F
	to 122 °F
Connector material	ABS
Strap material	38% Polyamide, 29%
	Polyurethane, 20%
	Elastane, 13% Polyester

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