Boasts a full range of sound that brings every conversation to life. Headset with electret, noise reduction microphone for hands-free communication from PC. Ideal for PC voice applications, interactive gaming and speech recognition. Foam ear cushions for open, hear-through sound. Adjustable headband for a great fit. Can be used with an external power source if sound card does not have built-in bias supply. Offers long-lasting comfort and crystal clear communication. Quick and easy connection to PC. 8' single entry cord. Frequency response: 30 16,000Hz. Limited Lifetime Warranty