We are Guangzhou Lanke Electronics Co., Ltd. based in Guangzhou , China. We are member of Tradekey.com since August, 2011. Our business is related to Sports & Entertainment industry and we specifically deal in Mp3 ,car Audio. Please find our product details below: Sell The real car audio heft-proof Motor MP3Player(radio type) Instruction Thanks for your choice of Motor MP3 (Theft-proof) In order to make you understood all of the functions, Please kindly read the below user manual firstly. Thank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.