Overview With a new design and detachable cable the Galaxy Audio HSM3 is a great choice for an economical headset. The HSM3’s super lightweight design makes wearing the earset microphone more comfortable even for long periods of time without using excessive pressure to hold the microphone in place. The soft microphone stem allows for easy adjustment of the microphone’s position as you wear the headset. These headset microphone works great with many wireless transmitters available. The HSM3 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 HSM3 wireless earset system with most PC sound cards adaptor not included. Features Hooks Around Both Ears Omni Mic Element Flexible for Easy Formation 5.5″ Adjustable Mic Boom Length 5 mm Mic Diameter Condenser Element Freq. Response: 20Hz-20kHz Detachable Cable Specifications Polar Pattern Omni-Directional Frequency Response 20Hz-20kHz Impedance 2200 ohms Sensitivity -40dB re. 1V/Pa Max SPL 110dB Operating Voltage 2.0 - 10 Vdc Cable Length 4 1.22 m x 1.5 Diameter 1.5 mm Thick Detachable Cable Mic Boom Length 5.5 Adjustable Element Diameter 5 mm Element Type Back Electret Condenser Included Accessories Choice of 4 Free Standard Cables Windscreen Manual Color Beige or Black Weight 8.2g 4 Free Standard Easy-Replace Cables. Galaxy Audio®/AKG® Shure® Audio Technica® and Sennheiser® or a Mix of all 4. We wire for most brands. Additional charges may apply.