Shenzhen IsOkey Tech Co., Ltd. Is a comprehensive enterprise specializing in MP3 / MP4 designing, manufacturing and exporting. Established in 1991, our firm has been developing with introduced advanced MP3 / MP4 digital productse and most updated digital program designer team for over 10 years. Presently, we are mainly producing MP3 / MP4 Player and applicated for MP3 Sunglasses and these have already won high reputation in South Asia, European Union and the USA. Besides, we are specializing in developing Pan-da brand series with best quality and technology in digital products and classic styles to meet your needs for mutual benefits. We are sincerely looking forward to cooperating with you and any of your feedback information is to be paid highly attention and appreciated.