This protective and stable holder is covered in soft rubber and is suitable for 2 standard pair of headphones. In addition, there are grooves on the front of the support arm in which two in-ear-headphones can be hung. The clamp can be extended from 0 to 1.772" allowing it to be mounted on a wide variety of tables, shelves etc. Clamps onto table and shelves up to 1.775" Flexible rubber support holds two set of headphones or earbuds Easy clamping thumb screw Non-marring protective surface K & M It