Hello, how are you, We are a trading company based in Paraguay. We are interested in your With Bluetooth USB SD MP3 Player Module, So we contact you through Alibaba. we kindly ask you to send us the informations about the product of the followings specifications: Interface, battery Life, Color, What is the minimum order quantity? we would be grateful if you would contact us with the answers to the above questions. warm Regardsmarcelomarcelo RUIZ DIAZ Show More