Wireless headset 51 headset ps3 headset xbox 360 headset design on ear type dynamic transmission modes wireless radio bluetooth sound modes surround headset 51 hardware type of headphones headband features onoff switch passive noise cancellation volume control adjustable headband functions mute rechargeable sound systems dolby digital dolby surround headphone transmission range 20 20000 hz sensitivity 120 dbmw driver 50 mm microphone proper