MODEL NAME DS502 GAMING HEADSET SPEAKER FREQUENCY RESPONSE 20Hz-20KHz SPEAKER SENSITIVITY (SPL) 105±3dB @ 1KHz SPEAKER IMPEDANCE 32 ohm MICROPHONE FREQUENCY RESPONSE 100Hz-10KHz MICROPHONE SENSITIVITY -36±3dB @ at 1KHz MICROPHONE IMPEDANCE 2.2k ohm CONNECTOR USB2.0 DRIVER UNIT Ø40mm x 2 PICK-UP PATTERN Omnidirectional Mic Dimensions Ø6.0 PRODUCT DIMENSIONS (MM) 220*190*100/275*245*135mm(with package)