we are the professional manufacturer of MP3 Player, MP4 Player, in shenzhen, china. With an area of 4000 square meter, there are totally 12 production lines which can produce 15k mp3 player per day. All products purchased from ?ungworld have a replacement and exchange guarantee. Products are replaced if they are defect or non-working. Also included in our warranty package is a at least 12-month warranty.We promise to provide customers with highest quality, best price and best before and after-sales service. For more information about product, and price, please visit our website (www.sungworld.com ) or contact us directly for a detailed discussion. Reamy Liu Sungworld (Shenzhen)Electronic Co,. Ltd Address:Room 410,Huali Building, No.118 Zhenhua Road, Futian Region,Shenzhen Tel:+86(755)83349602/ 83349603/ 83349604 Direct Line:+86(755)84713965 Fax:+86(755)84713905/83229399 Htt://www.sungworld.com E-Mail:jumplesz@gmail.com MSN:reamy_liu@hotmail.com