Polar H7 breast strap monitorIn the end, most of us but suck it upwardly together with instruct used to the breast strap shenanigans every bit the accuracy of breast straps is 2d to none. Chest straps mensurate electrical signals of the pump similar ECG medical devices that's why breast strap tracking devices tend to live to a greater extent than accurate.
charges via the USB port of a calculator or via a USB wall chargerOnce the OH1 sensor is powered on, you lot press the push in i trial again to switch on recording manner (the light-green lite blinks twice). To halt the recording after your session is finished, concord downwards the push until the lite switches off.
the Polar OH 1 rechargeable battery lasts one-half a twenty-four threescore minutes menses (12 hours)
polar OH 1 charging cradleThe Polar OH1 is also xxx meters waterproof similar the Polar H10 breast strap that comes alongside Polar's wrist watches. If you lot programme on doing generally swimming though, it's amend to become for the H10 breast strap every bit it uses 5kHz frequency to transmit information hence your pump charge per unit of measurement information standard volition live upwardly much to a greater extent than accurate nether water.
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