So basically this mouse comes with everything you need from the start. Its great for putting treats in too as the little holes allow him to play to get the treats out. What rubbish and a waste of money. Shoes were 1-2 sizes too large. Calls were crystal clear for both devices, and I use Hangouts video conferencing. Tech support over the phone was a time waster until I got escalated to a more senior tech, who figured out that the issue was hopeless and the headphones needed to be repaired or replaced. After this test I think for the little money these headphones cost they have positive potential, also getting a case thrown in the price you cant go wrong👍 If you like me, my preference is a balanced sound, and Not just complete bass. And boy, indeed it is. throughout the years, I have tried many kind of headphones and non has all the requirement I need. I would imagine they would be quite comfortable under normal circumstances but I haven’t been able to continue wearing them after an hour or so as my heel pain is not supported effectively.