● Metal square base, high grade minimal, solid like a rock
● Metallic materials, anti-mobile calls, electromagnetic, high frequency interference
● Aluminium alloy tube, surface metallized coloration process treatment, high grade durable
● One-click silent key, with red indicator, operation simple and reliable
● Cisco's own intellectual property Triangulation noise reduction algorithm, ensuring high quality pick-up effects
● Square aluminium alloy tube with large oscillating membrane high pointing back polar resident microphone, take distance far away not easy to tsunami ● Square aluminium alloy tube with large oscillating membrane high pointing back polar resident microphone, take distance far away not easy to tsunami