Shenzhen Longzhiyuan Technology Co., Ltd. (Longzhiyuan for short) is one of the leading companies specializing in designing, manufacturing and selling electronic products all over the world. With vigorous technical power and rigorous production-line, our company possesses effective sales network and consummate service system both in domestic and international markets. With developing trend of electronic technologies in mind, Longzhiyuan specializes in designing, manufacturing sunglasses MP3 with Bluetooth, sunglasses stereo Bluetooth, sunglasses radio, sunglasses camcorders, stereo Bluetooth headsets, car rearview with Bluetooth, digital photo frames and electronic products by incorporating the latest technology. Our products have gotten CE certificates. Our company is restlessly improving quality, technology and service system of our products in order to meet different requirements and