Appearance: Display: 4.3" High resolution TFT LCD monitor 480*272 pixels Size : 120*80*16mm System: CPU: SIRF ATLAS IV Frequency: 533MHz SDRAM: 64MB Memory Slot: SD/ MMC Expansion memory: SD: 16GB Output power: Speaker 2W/8R GPS Navigation: O/S system: WinCE NET 6.0 GPS module: Built-in main chip/built-in high sensitive antenna GPS module sensitivity: -159dBm Receiver frequency: 1.5754GHz Satellite channel: 24 Position precision: < 10 meters Start time: "Cold start: 42s, average Warm start: 28s, average Hot start: 1s, average" Function: Working & Storage tem: Working temp 0-60 / Storage temp -20 - 60 Earphone output: 2.5mm Power charger: 120/230V adapter, 5V/1.5AH, USB cable Vehicle power charger: 12-36V to 5V/1.5AH, USB cable Game: Built-in puzzle games Music: Support WMA9/ MP3/ WAV format, support intro/ random/ repeat play E-book: Support TXT format Tools: Calendar/ calculator/ unit conversion etc. Picture: Support JPG/GIF/BMP/PNG format Flash: Support SWF/ FLV AVIN: Support FM trasnmitter: Full frequncy 76-108MHz, effective distance