Product Description About the EP-HSM01 ■ Versatile and can be used for various purposes! ・Video conferencing ・Voice chat ・Online games ・Compatible with Win/Mac ■ Ready to use, no setup required! ・No driver installation needed! ・Simply connect via USB. ■ Equipped with various controllers! ・The cable has a one-touch controller! ・Volume adjustment ・Mute ・Microphone mute -Product Specifications- ・Compatible models...Windows and Mac OS with USB-A port ・Interface...USB-A ・Cable length...2m ・Weight...Approx. 90g (including cable) ・External dimensions...Approx. 450mm x thickness approx. 48mm (excluding cable) ・Wearing style...Small, single-ear, over-head type ・Headphones 　Speaker system...Dynamic type (monaural) 　Driver unit...φ13.28mm 　Maximum permissible input...0.5W 　Impedance...32Ω 　Frequency band...50-9000Hz 　Volume adjustment...Yes 　Mute function...Yes ・Microphone 　System...Condenser microphone 　Mute function...Yes 　Directivity...Omnidirectional 　Input sensitivity...-40dB 　Frequency band...70Hz～10,000Hz 　Impedance...2.2kΩ