Detailed Product Description 4.3 inch GPS SE-20001. 4.3 inch TFT touch screen, solution: 480*272.Optional(800*480) 2. CPU:SiRFatlasIV, CPU 500MHz with FM3. IC: Sirf StarIV ; Optional, with TMC,Bluetooth,AV-IN,TV4. Microsoft Windows® CE .Net 6.0 Core version5. Storage: internal 4GB(Optional) Nand flash / external TF card6. Types of operation methods: touch screen7. Functions: Navigation, MP3, MP4, ...