The Galaxy Audio HSM4 is an economical dual ear headset with a modern design and detachable cable for added convenience. The HSM4's super lightweight design makes wearing the earset microphone more comfortable, even for long periods of time, without the need for excessive pressure to hold the microphone in place. The soft microphone stem allows for easy adjustment of the microphone's position while wearing the headset. These headset microphone works great with many wireless transmitters available. The detachable cables can be wired to work with transmitters made by Galaxy Audio, Shure, Sennheiser, AKG and Audio Technica, as well as most other brands of wireless microphone systems. You can also use the HSM4 wireless earset system with most PC sound cards (adaptor not included).