Shenzhen Sage Human Electronics CO.,LTD is a specialized manufacturer and exporter of Car mp3 and mp4 player. Have been engaged into digital lines since 2004, We're invested a lot from R&D to mass production and gotten quite good achievements. Through many years of efforts, we have gained much experience in the cost, quality control and after-sale service, which made us get the opportunities to cooperate with many IT distributors, wholesalers, brokers, promotion and gift importers for long term and our clients spread all over the world now.