JBL Under Armour Sport Wireless Heart Rate

After working out with, and listening to, them for a further couple of hours, early impressions suggest these are a very capable set of ‘buds

Sound great (in the right position) ; Fully secure, even during exercise ; Heart rate readings are accurate

Can be painful after long periods ; Difficult to position correctly ; Earbud sizes don’t suit all ears

Proper fitness ‘phones that track your heart and sound superb – but are too much of a faff to use

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