The Razer Moray+ mobile gaming communicator is designed for gamers who prefer to travel light and without bulky headsets. While retaining a sleek, lightweight architecture, the Razer Moray+ comes packed with a passive noise isolating in-ear earphone along with an omnidirectional inline microphone. Its powerful bass-driven stereo sound and mid/high range clarity along with 3 adapters for the PC/laptop, as well as support for the Sony PSP 2000 / 3000, Nintendo DS Lite / DSi and the Apple iPhone , makes it your all-in-one companion for top-notch audio and voice communication on the road. Be it synchronized ambushes or coordinated assaults, take your game to a new level of gameplay with the Razer Moray+. Cord Length: 1.3m Headphone Frequency Response: 20Hz-11KHz Headphone Input Impedance: 17ohms Headphone Signal to Noise Ratio(SNR): 110dB Microphone Impedance: ~2.2K ohm Microphone Frequency Response: 300Hz-3KHz Microphone Signal to Noise Ratio(SNR): 55dB Microphone Sensitivity: -46dB