Edifier K800 Headset with Microphone, Style:Single HoleEdifier K800 Headset with Microphone, Style:Single HoleFeatures: 1. Exclent sound , ergonomic design: ear-ear structure, leather earmuffs, memory foam filling, soft and comfortable 2. Clear call, high- microphone: the extended microphone handle can be adjusted by 120 degrees; built-in microphone, clear call, accurate pickup 3. Easy to operate, wire control: wire control volume adjustment and microphone mute switch, easy to use, durable 4. Simple design and exclent workmanship: high-strength engineering plastic with leather earmuffs, matte black surface effect 5. The product is riable and durable: up to 2 meters of wire, riable and durable; 3.5mm audio plug, good bending resistance and long service lifeProduct parameters: 1. Material: Plastic 3. Plug diameter: 3.5mm 4. Sensitivity: 102dB 5. Frequency response range: 20Hz-20KHz 6. Product weight: 0.15kgRease notes:Single hole: 1. For mainstream single hole (CTIA international standard) 2. For mainstream mobile phone brands 3. Not For some single-hole notebooks (not for all ASUS notebook s, Hasee and some brand laptops)Double hole: 1. For all desktop notebook computers and dual-hole version equipment