SENICC G291 Over-ear Stereo Bass Gaming Headphone with Mic for PC   Main Features: Omnidirectional noise-canceling microphone. Switchable intelligent vibration, with the open acoustic field just as in wonderland. Double hanging head beam systems of the latest fashion. High-definition rich-bass audio experience. Using LED backlight technology, glaring downy Independent USB sound card, comprehensive realistic sound performance, positioning accuracy. Adjustable padded headband.   Brand: SENICC Model: G291 Color: Black Wearing type: Headband Function: Answering Phone,Microphone,Noise Cancelling,Song Switching,Vibration,Voice control Headset type: Dynamic Connectivity : Wired Application: Computer,Portable Media Player Plug Type: USB Cable Length (m): 2.2m Driver unit: 40mm Sound channel: Two-channel (stereo) Frequency response: 20-20000Hz Impedance: 32ohms Sensitivity: 110dB ± 3dB Microphone impedance : Less than 2.2kohms Microphone dimension: Diameter 6.0 x 2.8mm Micphone Sensitivity: -37db ± 3db   Package weight: 0.622 kg Package size (L x W x H): 21.00 x 13.00 x 4.50 cm / 8.27 x 5.12 x 1.77 inches Package Contents: 1 x SENICC G291 Gaming Headphone