The Siberia 840 by Steelseries, which uses a 40mm Neodymium Drivers driver. It uses a Wired Mode / Share Port, Chat port, mini USB FW update port, Bluetooth connection This delivers a frequency response of 20Hz - 20000KHz and a sensitivity of 100dB. It also has a Unidirectional microphone with a frequency response of 100Hz - 10000Hz and a sensitivity of -44 dB. And only weighs in at 318g w/ battery, 297g w/o battery.
The Siberia 840 is the perfect gaming headset. Armed with a lag-free wireless connection, transmitter with OLED display, on-ear controls, crystal clear mic and Bluetooth connectivity, the Siberia 840 is everything you need for every gaming platform.