How about R&D team?
The R&D department of is a team of several experienced technicians. It takes charge of the modification and development of technology. They will provide support when you have technical needs.

WinWin Industry Co., Ltd has its independent R&D and production base to ensure high quality and sufficient supply of voice enhancer. This page shows you the voice enhancer series. The voice enhancer is built to withstand exceptionally winbridge voice amplifier and winbridge voice amplifier and to insure maximum accuracy. With bluetooth 4.2 chip, signal transmission of WinBridge voice amplifier is faster and more stable. . All karaoke speaker undergo detailed QC tests to guarantee quality and functionality. The power display on WinBridge voice amplifier shows the current percentage of power.

WinWin is dedicated to growing voice enhancer with reduced cost but high quality. Ask!
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