Dont know what the engineer was thinking. thinking some kind of Bluetooth communication issue). Got a pair for my husband also. These are so comfortable on my feet and I was worried about the size j5 is way different from the mens size 5 because I have small feet with CP so I look at the sizing and they look like the same thing so I try them on and it fits perfectly my favorite part of the sandals is a open toe sandal and I love open toe sandals because I like to show off my feet and my toes and look at my feet and my toes and it looks like my very first pair of Crocs classic clogs but I dont like them because I cant show Its just a pivot joint that relies on the bike wheel sitting in the cradle. -Delivery was fast. Holes strip when a little too much tighten-down torque is applied. I like the size of the cotton tip for my dogs ears. BT600 DONGLEAs I said above, the ?UC? version of this headset includes a little USB dongle that plugs into your computer. It definitely runs wide (very wide) and I had to adjust the straps to use the smallest hole.