FC21 USES a world-leading digital noise reduction circuit, effectively shielding 80% of the background noise, even in a noisy environment, but also can provide the most excellent audio performance, further improve the speech clarity and vivid hi-fi effect.
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Beien is an international communications brand and communications technology specialist. Shenzhen beien communication technology co., ltd. is a professional manufacturer of call center products integrating product development, production and sales. The company\'s main products include call center telephone, telephone headset, telephone adapter, call center system integration, business conferenc...
