These lightweight and fully adjustable headphones are ideal companions for use in today's classrooms and computer labs, libraries and with listening centers. Teacher approved for use in computer labs and listening centers. Works with all computer formats. Lightweight and flexible construction. Adjustable headband and in-line volume control with replaceable ear cushions. On-ear ambient noise-reducing earcups help diminish exterior sounds. This reduces the need to increase the volume (protecting the ears) and helps keep students on task. Silver Color with Volume Control.