Dongguan Wirelesssir Electronics Technology Co., ltd.,the professional wireless audio products manufacturer was founded in 2004,started as the sole agent of COSMOSIC chips in mainland CHINA,with its major business lied in IR&RF wireless audio transmission chips and relating accessory products, as well as offering package-service and tech support.

In 2007,the re-organized company, Dongguan Wirelesssir electronics Technology Co., ltd. got its trademark Wirelesssir registered aimed to form his ...