HP H320 / H320GS Breathable Earcups Skin friendly and breathable earcups for long lasting comfort. Convenient Control Ergonomic in-line control to adjust volume and mute mic. Gold plated USB connector with braided cable. Voice Clarity High noise-to-noise anti-static microphone for voice clarity. 7.1 Virtual Surround (H320GS Only) 50mm drivers deliver shockingly real in-game sound. Stainless Steel Hinge Built with durable Stainless Steels hinge to provide stable support headband. Measurement Compact and bold design. Looks and feel strong and durable. Weight below 500G, just the sweet spot to wear on your head. SPECIFICATIONS : H320GS - Connection Type : USB Wired - Frequency Range : 20Hz ~ 20KHz - Driver Diameter : 50MM - Cable Length : 2.2M - Rated Sensitivity : 105dB +-3dB - Ompedance : 32 Ohm +-15% - Maximum Power : 30mW - Current : 40mA - Voltage : DC5V SPECIFICATIONS : H320 - Connection Type : 3.5mm single jack - Frequency Range : 20Hz ~ 20KHz - Driver Diameter : 50MM - Cable Length : 2.2M - Rated Sensitivity : 105dB +-3dB - Ompedance : 32 Ohm +-15% - Maximum Power : 30mW - Current : 40mA - Voltage : DC5V