I usually wear an 8-8. I love the look of these and very comfortable except that the heel strap is just slightly too loose and its not really adjustable. So, in short, it?s not from overuse that the shield is losing the adhesive. And the price is very reasonable. lived another 3-4 months with tape/glue. I did. " So if you want these to sometimes watch TV on your TV and sometimes on your cell phone, it wont work. The unit and the phones work well enough - but given they will be used by many hard-of-hearing seniors to help with listening to the TV - they are not really fit for that purpose. Still getting familiar with the mobile app, as there is probably something else this watch can do. They are really attractive looking - the color and hardware are very pretty, stitching seems good, they stay put fairly well (for a slide) and are overall very nice.