A4 TECH BLOODY G310 COMFORT GLARE GAMING HEADPHONE Omni-Directional Noise-Canceling Mic.- High-end noise cancellation and hyper sensitive mic 7 Neon Colors Rotating- Cool looking with LED light.Glaring LED lights are designed on the earcups Suspended Headband- Suspended soft leather headband intelligently designed for all types of head shapes delivering a comfort Laser Trimmed Speaker's Diaphragm- 40 mm speaker contains NdFeb magnets and high tension CCAW coil Isometric Dual-Chamber Design- Dual sound chambers are added to each ear cup to deliver the ultimate sonic accuracy and clarity Gold-Plated Plug Jacks- Gold-plated 3.5 mm Jack audio plugs provide ultimate sonic accuracy and clarity. TECH SPECS Driver Unit: 40 mm Neodymium Magnets, special sound film laser trimming. Frequency Response: 20-20000 Hz Sensitivity: 100 dB Impendance: 32 ohm MIC. Frequency Response: 50-16,000 Hz Sensitivity: -58 dB CABLE Length: 2.2 m Anti-winding Cord 1 x USB plug, 2 x 3.5mm stereo plugs