We, Shenzhen kingjon digital technology Co., ltd. Are one of china's leading manufacturers of bluetooth products including bluetooth kernel module, bluetooth headset, bluetooth USB dongle, bluetooth mouse, bluetooth car-kit, etc.. Our factory covers an area of 2,000 square meters, equipped with the most advanced production lines of yamaha chip shooters. Dedicating to design the best chips, our bluetooth headsets are compatible with most brand mobile phones such as motorola, Nokia, sony-ericsson and so forth. Moreover, all our products are CE and fcc certified.