Features 1.Clear Calls and Excellent Audio Quality: Computer headsets with noise cancelling microphones provide you with clear sound quality on the side plus digital signal processing (DSP) to reduce unnecessary background noise and achieve clear conversations ASP protects your hearing. 2.All Day Comfort: USB headset with microphone provides an ultra light fit for customer service representatives; it is comfortable to wear all day especially for phone intensive users including formal customer service staff telemarketing and customer service organizations. Excellent sound quality brings a good experience to users. 3.High Quality Microphone: The built in microphone can make your voice loud and clear active noise reduction anti static high sensitivity flexible microphone pole to ensure the accurate speaking position of each word. Provide high quality communications and be durable. 4.Simple Connection: The headset can only be connected to the USB and 3.5mm port the cable length is 1.9m and the conversion cable is 1.4 meters long. It is an ideal choice for long term use. Easy to use buttons for microphone mute speaker mute volume adjustment. It supports Internet calls such as Skype. 5.Wide Compatibility: USB and 3.5 mm connection options allow you to adapt to a variety of devices; compatible for Windows 2000 7 8 10 XP Vista for OS X for iOS for Android tablets etc. Suitable for online courses Skype chats call centers conference calls web seminars etc. Specification Item Type: HeadsetModel: XD1000Material: ABSFrequency Response: 20-20KHzImpedance: 150 ohmSensitivity: 125dBMaximum Input Power: 10MWRope Length: Headphone Cord Length: Approx. 1.9m/6.2ftConversion Cord Length: Approx. 1.4m/4.6ftApplication: Call Center Service Center Travel Teaching Package List 1 x Headphone1 x Conversion Line Note 1. If you want mute function please select USB connection2. Please point the microphone to your mouth to get the best call effect.