logitech a-00044 stereo usb headset h340 . Device Type Headset Connectivity Technology Wired Connector Type USB Range N/A Cable Length 1.8 m Control N/A Headphones Form Factor Over the head Audio Output Mode Stereo Headphones Sensitivity 115dB +/-3dB Frequency Response 20 Hz-20 kHz Microphone Yes Microphone Form Factor Adjustable rotational microphone Microphone Sensitivity (-)42dBV/PA +/- 3dB Noise Cancelation Noise-cancelling Other Feature Plug-and-play achieve high-quality audio by simply plugging in the USB connection. Noise-canceling microphone reduces background noise for natural-sounding conversations. Experience digital clarity bring all your favorite sounds to life with clear, digital audio. The flexible microphone reduces background noises, so your friends and family can hear more of your crystal-clear voice. Enjoy unmatched comfort and the perfect fit with the lightweight, flexible headband. Works with common calling applications including Skype, Google Hangouts, Yahoo!Messenger, and other calling services. Will be shipped by Air Mail International priority mail. Thanks for looking I will ship to Worldwide.