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.