Technical Parameters: Headset Drive unit: 50 mm Frequency response: 20Hz-20kHz Impedance: 39 O (passive), 5k O (active) Sensitivity: 93dB SPL/mW Microphone (rod) Microphone pickup mode: heart shape (one way) Specification: 6 mm Frequency response: 100Hz-10kHz Connection type: USB Weight (g) and size (mm) Weight: (without cable): 344 grams PC line length: 2.8 meters Mobile device line length: 1.5 meters Size: 188*195*87 Package contents: G633S Gaming headphone 3.5mm audio cable(1.5m) Micro-USB cable(2.8m) User document