GPS Module: Built-in GPS module, 20-channel SiRF Star III chipset, 180?rn-over antenna CPU:SUMSUNG S32440A-40, 400MHZ, ARM920T O/S:WinCE 4.2 Locates: 10meter.90% Localization time: 0.1s Audio out: Internal Mono speaker/stereo headset jack Function: navigation, MP3, MP4, e-book(TXT.), picture view (support GIF ,excluding GIF89a, JPEG.PNG.BMP format) MAP: Navteq maps, TeleATLAS maps support Europe countries ans regions, South and North America, Asia, South East Asia, Australia, part of Middle East countries. Total 43 countries. Language & Voice: English, French, German, Portuguese Italian,Spanish, Finnish, Denish and so on (optional) Certification: FCC/ CE /CCC/RoHS Accessories: main unit, AC adapter,car lighter adapter, Avcable, GPS receiver module, Car mounting bracket, SD card reader, user Manual, warranty card, CD-ROM Battery: Replaceable rechargeable lithium-ion polymer batteries 1600mAh