Soncm Shengmei (HK) Industrial Co., Ltd. established in 1985, has 38 professional engineers, and about 500 employing, equipped with agents in major cities across the country. In order to meet the different needs of different levels of users, the company has put out a variety of special specifications and different characteristics of the headset. Includes: DJ type, Music Massage type, Neckband, hidden microphone type, ordinary type and so on.