Theyre not of the same quality as the originals -I bought them for a DR-BTN200- but they do their job, more so if you have in mind that it seems Sony doesnt sell these parts. Foot measures 9" long by 3. I added photos so you can see what they look like in hands. Do not pay full price for this device. Fast delivery, great product, as described. all day inside and moderately outside around the driveway/porch/deck. Ich habe festgestellt, dass ich bei der Nutzung (Office wie Spiel) ab und zu versehentlich die rechte Maustaste auslöse. Update I decided I liked these so much I got another pair this time in Navy. You should give your feet something back to help and these flip flops know how to get the job done. However, these things are designed with a bulbous pod located right above the ear canal tip.