Also, perfect fit. I looked at a few other similar products but the review videos really sold me on this one. One of the questions is "do they work for hammertoes?" and the answer is yes and better than youd expect or hope for. I have found that I have to use a drop of vinegar on the contact and then rub it with a toothpick to clear off the corrosion so that it will work again.  COMFORT / FIT / ISOLATION:The CVJ CSA is intended to be worn cable-up only. However, having used a Chromebook numerous times for on-the-go video calls, I can say that it definitely outperforms those built-in microphones, primarily in overall volume and background noise reduction. Overall 4/5 because it?s unfair to rate them based on higher priced models, so therefore I?m rating them for the budget/price range that they are. I commute to work about 63 miles a day round trip. I ordered 7 since some of the reviews says it is larger than expected . , and 2) the shoes are a bit slippery due to the material theyre made from, so youll want to either add grippy strips to the bottoms or really scuff them up prior to wear if youll be on smoother ground such as marble, tile, or linoleum.