HamiltonBuhl Deluxe Over-Ear TRRS Plug Headset With In-Line Microphone And Volume Control Knob The HamiltonBuhl SC-AMV headset with in-line microphone and volume control knob on ear cup is the perfect companion for any of your computers, tablets, smartphones and other devices. The SC-AMV features soft, washable and replaceable leatherette ear cushions, swivel ear-cups, an easy-to-wear lightweight design with soft padded headband. With its easy-to-mark light blue color, the SC-AMC also features our exclusive Dura-Cord™ – a chew-resistant, PVC-sleeved, braided cord for long-term durability and reliability, as well as an anti-lice bag – a heavy-duty, write-on, moisture resistant, reclosable bag – making this fatigue-free headset ideal for use in and out of the classroom, and excellent for testing!