They work well with my old iPod Video (generation 5. Vibram sole on a comfy sandal. I purchased new straps elsewhere and all is good. Microphone Quality is on par however for most programs you will need to have the microphone volume set in the operating system at 98 - 100 percent (much lower than that and voice detection starts falling off for most chat programs). When it was attempted to be used it will not work. Ive had one other pair of these Dr. Upon further review, I see that the two parallel bars on the base actually pinch the bottom of my tire. Pairing is simple and fast. It is just so sweetly engineered, like a BMW, or a Patek Phillippe watch. They keep my pain to a minimum and are my favorite shoes to wear when I need to be on my feet a lot.