Speaking of. upgraded to this cord from a CAT 6 cable. 2) After first pairing to the phone (iPhone 7 used completely with this review) it will work well but as day moves on maybe walking in and out of range of it (I really don?t know) you will find the headset just will not work with the mobile, you select Bluetooth audio on phone when you answer a call, phone will believe its playing to Bluetooth headset as it mutes from speaker but nothing on headset. I usually get a 10. these flip flops are great! Because it is so light I just wonder how sturdy it really is. Delivery: on time. :DWrapping up, I think the MW65 are the best-sounding Bluetooth headphones that you can buy in terms of sound. Anyway, build quality. (I wear a 7AA.