ขาย Video conference omnidirectional microphone / conference microphone / echo canceller / USB free drive ltrJ ราคาที่ดีที่สุด

The video conference omnidirectional microphone adopts USB drive-free design, built-in speaker, omnidirectional high-sensitivity microphone, echo cancellation, no dead ends within 20-30 square meters, one person can move freely in a meeting, everyone can sit in peace when meeting In your own position, you do not need to be particularly close to or move the omnidirectional microphone. Suitable for all kinds of video conference and instant messaging software, plug and play. Free drive sound card, plug and play.  Ideal for group meetings, free internet service calls and music appreciation.  Full-duplex conversation, clear voice, built-in omnidirectional microphone, effective diameter 4 ~ 6 meters   Hi-Fi amplifiers and high-quality speakers.  Using advanced DSP echo cancellation technology, processing echo to reduce noise. Adjustable playback volume.  Ideal portable device, small size and light weight. Compatible with USB 1.0 & 2.0, driver-free design. Product main function: 1. Plug and play USB interface USB2.0 interface built-in 16-bit sound card built-in ring 2. Adjustable volume during the call, mute the microphone DSP voice processing, clear voice Open SDK, easy to develop 3. 3.5mm jack with earphone diameter 4. Support Skype, UUcall, Alibaba, QQ, MSN, Talk, Yahoo, Sip Discount, X-Lite, Eyebeam, X-pro, Sipgate, IPhone, Vonage, UBIFONE, Imtel, Voip Buster, Voip discount, Voipcheap, VOIP Stunt, SparVOIP, INTERNETCALLS, NetAppel, YpoivyY, FreeCall, WebCall, VOIP RAIDER, VoipWise Onet2phone and other network platforms; 5. Built-in DSP echo side tone cancellation chip can be used as a good music player 6. Hands-free (speaker) call function 7. Direct button answer / end call 8. No need for sound card and additional power supply 9. Portable design with laptop 10. Suitable for meeting rooms of 20-30 square meters; 11 Main technical indicators and parameters: System requirements: Pentium 400MHz or above Operating system: ios and windows XP or windows 7 & windows 8/9/10 Relative humidity: 10-95% Atmospheric pressure: 86–106 Kpa Button Volume control button  USB power switch indicator  Microphone mute switch LED indicator No light standby and talk mode  Green light indicates silent mode Sound function Sound sampling frequency: 32KHz  Communication mode: full-duplex simultaneous talk  Echo cancellation: higher than 58dB  Support AGC (Audio Automatic Gain Control) function Hardware specifications Built-in omnidirectional microphone  SPK: 4Ω 8W speaker  USB powered Electrical specifications Operating voltage: 4.5V ~ 5.5V Microphone Omnidirectional  MIC: 34dB  Frequency: 20 ~ 16,000 Hz System requirements PC or Mac with USB port  Network real-time communication software skype Tencent QQ, MSN, Sina UC, video conferencing software ... etc.  Broadband Internet environment (ADSL or Cable Modem ... etc.) Operating temperature / temperature 0-60 degrees Celsius, 0-95% RH