Original:If you install the software that comes with the mouse as soon as you plug in, you will be in a world of problems. great stencil Heres my advice: if you are reading reviews on size you are probably trying to decide between 2 sizes. They absolutely run a full size small. This arrived refurbished but it was supposed to be new. The Bluetooth headphone comes with the mic, which works only when the device is connected in wireless mode, not wired mode. Theyre just about comfortable enough for a long haul flight. I bought the handlebars too. 0 plus wireless earbuds and at the price, the Bultone are the best by far. When well installed, the sound is rich with very good base and clear treble.