"Features: <br /><br /><br /><br />* Ideal for group conference, free internet call and music enjoyment. <br /><br />* Support Skype, uucall, MSN, Alicall, QQ, Google Talk, AIM, Yahoo! Messenger, eyeBeam, X-Lite, X-pro, VoipBuster,VoipDiscount, VoipCheapCom, VoipCheap, VoipStunt, SparVoip, InternetCalls, NetAppel, Poivy, FreeCall, WebCallDirect, VoipRaider, SipDiscount, sipgate, IPphone,vonage, UBIFONE, VoipWise, net2phone, imTEL <br /><br /><br /><br />Hardware: <br /><br /><br /><br />* HI-FI amplifier and high-quality speaker. <br /><br />* Due to 48KHz sample rate, it can present CD-quality music and high fidelity sound. <br /><br />* Full-duplex conversation, crystal clear voice. <br /><br />* Built-in DSP for echo cancellation and noise reduction. <br /><br />* Adjustable volume and mute control. <br /><br />* Convenient for private conversations with ear-phone. <br /><br />* Ideal for travel because of small size and light weight. <br /><br />* Compatible with USB 1.0 & 2.0, no driver required. <br /><br />* Compatible with Mac and PC. <br /><br />* No external power required. <br /><br />* USB power and mute microphone LED indicator. <br /><br />* Volume+, volume-, mute speaker and microphone buttons. <br /><br />* Built-in driver and sound card. <br /><br /><br /><br />Package Included: <br /><br />  <br /><br />1 X Voip Conference Microphone Speaker <br /><br />1 X USB Cable <br /><br />1 X Manual "<br />Welcome to our store ,we will ship out all order within 3 days,and it will take 4-7days send to your home,thank you <br />