YANS YS-M61 Video Conference Omnidirectional Microphone 1. Use USB driver- design, built-in high-power mid-woofer speaker 2. 256ms echo canclation algorithm, built-in voice automatic gain (ALC) function, no matter how far away the speaker is, the sound can be picked up clearly 3. 360-degree omnidirectional high-sensitivity dual-capacitor microphone, no dead spots for radio within 20-30 square meters, one person can walk around ly during a meeting, and when a multi-person meeting, everyone can sit in their own position at ease without being particularly close or Is a mobile omnidirectional microphone 4. Built-in high-performance intligent DSP chip, input and output audio directly on the chip for high-speed calculation processing, not only can effectivy block noise, iminate echo, high-speed processing of high- 16K-24K audio sampling and calculation, allowing software video conferencing applications Can get clear and clean voice communication 5. Suitable for all kinds of video conferencing and instant messaging software, plug and play 6. The design of hands- speaker microphone makes it easier for users to participate in software video conferences or use instant messaging software 7. Speaker sampling frequency: 24Khz-48Khz, microphone sampling frequency: 16Khz 8. Operating voltage: 4.5V-5.5V 9. Sensitivity: -34 +/- 3 dB 10. Frequency: 100-10,000 Hz 11. Signal to noise ratio: greater than or equal to 58dB 12. Sound pressure lev: 95dB 13. Current consumption: less than or equal to 0.5mA 14. Echo canclation: 256ms 15. Audio processing: AEC/AGC/NR/NLP/ALC 16. Output impedance: less than or equal to 2.2 kiloohms 17. Support system: Windows8/windows7/vista/xp/2000/Mac10.5/Android 18. Dimensions: 137x137x33mm 19. Cable length: 3m