I had the previous gen Decathlon sensor on a Polar strap when Decathlon sold the pod separately but lost it in a house move, so just got the Polar H9 on Amazon for £40 or so which has been more reliable with no dropouts or spikes and battery change does not involve tiny screwdrivers
I had the previous gen Decathlon sensor on a Polar strap when Decathlon sold the pod separately but lost it in a house move, so just got the Polar H9 on Amazon for £40 or so which has been more reliable with no dropouts or spikes and battery change does not involve tiny screwdrivers