DescriptionPolar OH1.jpg English: Polar OH1 heart rate sensor, armband and USB adapter. Date 10 February 2018, 22:04:56 Source Own work Author Tiia Monto...
DescriptionPolar OH1 arm.jpg English: Polar OH1 heart rate sensor with armband. Date 10 February 2018, 21:57:04 Source Own work Author Tiia Monto Other...
DescriptionPolar OH1 armband.jpg English: Polar OH1 optical heart rate sensor in armband. Date 10 February 2018, 21:54:23 Source Own work Author Tiia Monto...
DescriptionPolar OH1 sensor + USB.jpg English: Polar OH1 sensor inside the USB adapter. Date 4 February 2018, 16:36:02 Source Own work Author Tiia Monto...
