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Do you have to have a zephyr still on android?
A mate has a bluetooth polar working on his iphone & strava.
Must admit I thought this was for premium only but he clearly has HRM stats on his feed.
Iphone uses Ant+. I have a bluetooth HRM that works on Sportstracker, Orux and I'm assuming Endomondo and Strava - works well unless I need to put it in my back pocket then it seems to lose the connection...so I don't use it any longer.
Where are you based? If in Central Belt of Scotland, you can borrow it to see if it works for you.
Lancashire, but thanks for the offer.
interesting about the loss of connection as I was hoping to use it for swimming as well.
Apparantely Bluetooth does not transmit thru water so it won't work for swimming...and as the human body consists mostly of water it's not gonna transmit thru the body to a phone in the rear pocket