The Genuine Razer RC30-0205 THX USB Audio Volume Controller in black is an audio controller designed for use with 3.5mm headsets. With USB connectivity, this controller allows for easy adjustment of volume levels and offers compatibility with a wide range of devices. Made by Razer, a well-known brand in the gaming industry, this volume controller ensures high-quality audio performance and reliable functionality. Ideal for enhancing your gaming or multimedia experience, this controller is a sleek and efficient accessory for any setup.