Features:DOLBY HEADPHONE 7.1 SURROUND SOUNDHear them before they see youHear the game the way the developer intended. Dolby 7.1 sound output appears to surround you as if it’s coming from all possible directions.ADVANCED 2.4 GHZ WIRELESSLag-free. Interference-resistant.Speed and agility keep the signal clear and strong. Rapid-burst transmission is faster and less susceptible to interference. Frequency agility ensures optimal performance.THREE PROGRAMMABLE G-KEYSControl the signal-to-noise ratioControl in-game elements with one-touch. G-keys are conveniently located on the left ear cup. Music, voice morphing and more. Customize G-keys with easy-to-use Logitech Gaming Software.NOISE-CANCELLING MICFilter ambient noiseBe heard loud and clear without the distraction of background noise. The mic picks up only your voice.Rotate the mic boom up and out of the way to mute. A red indicator reminds you that you are muted.LONG BATTERY LIFEOutlast the competitionPlay for up to 10 hours on one charge.Specifications:Part Number981-000257System RequirementsWindows Vista®, Windows® 7, or Windows 8USB port7.1 Surround sound requires software installation*Technical SpecificationsHeadphone: Driver: 40mm Frequency response: 20Hz-20KHz Impedance: 32 Ohms Sensitivity: 90dB SPL/mWMicrophone Pickup pattern: Cardioid (Unidirectional)Type: Pressure Gradient Electret CondenserFrequency response: 50-20KHzSensitivity: -40dBV/Pa re: 0dB = 1 Pa, 1KHzTest conditions: 3.0V, 2.2K Ohm

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General
Brand	Logitech
Model	G930
Cordless Protocol	2.4 GHz
Software Support	N/A
OS Support(at release)	Windows XP, Windows XP x64, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64
Headset Specification
Connection Type	Cordless USB
Digital Formats	Dolby Digital
Audio Controls	Track control, Mute, Volume control (independent), Power On/Off (Independent)
Battery	Rechargeable
Indicator Light(LED)	Power status LED, Microphone mute status LED, connect LED on receiver
Input Source	USB
Receiver Specifications
Connector Type	USB
Size	Mini
USB BID_PID	VID_046D&PID_0A1F
USB Protocol	USB 2.0
USB Speed	Full-speed
Connect	No button
Indicator Light(LED)	Connect (NOTE: Middle light blinks when looking for device and stay on solid when connected to a device.)
Body
Dimensions	3.8 in x 78 in x 8.7 in (9. 7 cm x 18 cm x 22.2 cm)
Weight	11.5 oz (326 g)

In the box:
1 x Headset 1 x USB wireless adapter 1 x Charging base 1 x User documentation

Warranty:
1 Year Warranty