360 degree free driver USB video conference speakerone with microphone for laptop in meeting room

Radio radius: 6 meters (suitable for meeting rooms within 60 square meters) This video conferencing omnidirectional microphone adopts USB driver-free design, built-in high-power mid-woofer, adopts the most advanced 256ms echo cancellation algorithm, and built-in voice automatic gain balance (ALC) function. It can be very close regardless of the distance of the speaker. Pick up the sound clearly. 360-degree omnidirectional high-sensitivity dual-capacitor microphones, no dead spots for radio within 20-60 square meters, one person can walk around freely during a meeting, and when a multi-person meeting, everyone can sit in their own position without being particularly close or moving Omnidirectional microphone. Suitable for all kinds of video conferencing and instant messaging software, plug and play. Standard 5m USB high-speed audio cable Driver-free sound card, plug and play. Ideal for group meetings, free Internet service calls and music appreciation. Full-duplex conversation, clear sound, built-in omnidirectional microphone, effective diameter of 6~12 meters. Hi-Fi amplifiers and high-quality mid-woofer speakers. Adopt advanced DSP echo cancellation technology to process echo to reduce noise. Adjustable playback volume. Compatible with USB 1.0 & 2.0, free drive design