Basic functions: GPS Module: SiRF Star III, 20 channels CPU: Centrality Atlas-III, CPU 372 MHz Display: 4.3" high-resolution color TFT LCD 480RGB(H)x272(V)pixels Touch Screen O/S: w i n c e. 5.0 Core Memory: 64MB SDRAM-Offers convenient built-in memory to store pre-programmed maps and can also read data from optional SD memory cards Support SD / MMC card and USB Mini Slot Internal Mono Speaker / Stereo Headphone; Voice-prompted directions-delivers audible instructions through the internal speaker. Battery switch and keypad hold Built in antenna Large capacity Li-ion rechargeable battery 110/240V, 50/60Hz universal Travel Charger Car Charger(input: 12V-24V DC, output: 5V DC 1.5A) Video Player support wmv, .asf and .avi file format, up to 480x272 resolutions Audio Player support WMA9, MP3 and WMA file format Photo Viewer support JPG, GIF, BMP and PNG file format Ebook Reader support TXT file format Backlight / Date Time / Volume / Power / SysInfo ******************************************** Bluetooth and FM function optional. ********************************************** Accessories : Braket, back-stand, USB line, Car adaptor, AC charger, Manual, and gift box for each set