It comes off the back. 88 these were the cheapest ones I saw. I wish it had. Its still wired and just adds more clutter with more of the mouse cable on the desk. Schöne Verpackung mit 3 paar Aufstecker Größen. They?re literally marshmallows, I love them ! Solidly constructed, yet light and easily worn, the MB Pro2 feels good on the head and comfortable on the ears. I have now ordered the Crocs Butter to care for them . all in white but was delivered 3 whites and 1 black. Its also more resistant to knotting up when tangled as the fabric is fairly slippery.