Really poor product, Great idea but is totally useless when doing exercise. If it moves, even slightly, on your finger it fails to update heart rate. It's great if doing sedentary activities i. E. Sitting at a desk or while watching TV but that isn't really it's purpose.
Fra - 16th May 2012
Firebox says: Sorry to hear you are disappointed with the pulse ring, it does sound as if you may have a faulty one. Drop us a line with your order details to firstname.lastname@example.org and we will get a return arranged for you.