Shenzhen Xinyihai Technology Co., Ltd provides a variety of well-known domestic and international brands of telephone headsets, computer headphones, telephone headsets, telephone earphones, call center headphones, as well as Polycom audio and video conferencing products. The main website of the company is http://www.xinyicom.com. Foreign headphone brands sold on this site include Plantronics, GN Netcom, Sennheiser, and domestic brands include Kedat, Beien, Kotler, and Kedat. Telephone headsets can be further subdivided into different types according to various standards, including over-the-head headsets, behind-the-head headsets, over-the-ear headsets, behind-the-ear headsets, single-sided headphones, double-sided headphones, voice information desk headphones, telephone headsets, telephone earphones, customer service headsets, seat headsets, call center headphones, call center headsets, seat headphones, customer service headphones, caller ID box, headset telephones, headphone adapters, and headphone dialers.