&lt;b&gt;MARVO SCORPION&lt;/B&gt;HG9015G&lt;b&gt;Key Features&lt;/b&gt;- USB 7.1-channel virtual headphones  - 50mm speakers for powerful bass  - Omnidirectional LED microphone (flexible arm)  - Rainbow RGB backlight with breathing effect- Wired remote control (volume control microphone and lighting)  - Circumural cups with soft cushions covered in Synthetic leather  - Self-adjustable headband  - Robust construction with metal elements- On-ear volume control- USB powered LED light&lt;b&gt;Model&lt;/b&gt;HG9015G&lt;b&gt;Sound System&lt;/b&gt;7.1 Virtual Surround Sound&lt;b&gt;Speaker Dimensions&lt;/b&gt;50mm&lt;b&gt;Frequency Response&lt;/b&gt;20 - 20000 Hz&lt;b&gt;Headset Sensitivity&lt;/b&gt;105 dB +- 3 dB&lt;b&gt;Headphone Impedance&lt;/b&gt;21 Ohms&lt;b&gt;Microphone Type&lt;/b&gt;Omnidirectional&lt;b&gt;Microphone Dimensions&lt;/b&gt;6 x 5 mm&lt;b&gt;Microphone Sensitivity&lt;/b&gt;-42 dB +- 3 dB&lt;b&gt;LED Lighting&lt;/b&gt;Rainbow Breathing RGB&lt;b&gt;Vibration&lt;/b&gt;No&lt;b&gt;Volume Controls&lt;/b&gt;Integrated&lt;b&gt;Connections&lt;/b&gt;USB 2.0&lt;b&gt;Cable Length&lt;/b&gt;2.2m&lt;b&gt;Compatibility&lt;/b&gt;PC