SAGE HUMAN Electronics is the largest professional manufacturer for: - Car MP3 Player- Car MP4 Player- FM Transmitter- Bluetooth Car Kit- Portable Hi-Fi Speaker Our factory is located in Shenzhen, China. There are more than 500 skillful employees are working for our factory. Our advantages:- We have the strong R&D team consisting of energetic engineers- We have high qualified and strictly QC department- All of our products with CE, RoHS, FCC, REACH, E-MARK, SISVEL Most competitive priceBest qualityPrompt deliverySuperior after market service For more information about our company and OEM service, please contact us today.