1) 4 inches LCD touch screen, high definition, max resolution 480 X 272 2) Support WMA, MP3, WAV file to listen music; WMA ASF, AVI file to watch MP4 video; TXT file to read E-book & JPG, GIF, BMP, PNG file to view photos 3) Clear spoken instructions 4) Different country E-map optional, E-map can be updated by removable SD/MMC card 5) OSD menu in many different languages.... 6) Microsoft Win CE 4.2 and Office software with copyright pre-installed in your select language 7) GPS Receiver Module with antenna built-in and external antenna connector 8) CPU Samsung ARM920T S3C2440A /400MHz, MEMORY 64MB NAND flash, 64MB SDRAM, GPS SiRF Star III 9) Home charger & car charger, rechargeable Lithium battery 3.7V 900mAh, it can work 3-4 hours for navigating 10) Battery can be easily replaced by NOKIA mobile phone battery which you can buy it easily anywhere. This function should be very welcomed by end-user 11) Slim design,thickness is 23.3mm, easy to be put in a pocket 12) we use good raw material to enable GPS navigation receive very good satellite signal 13) USB cable, windshield-mount 14) Approvals: RoHS, CE, FCC,FDA 15) GPS navigation deimension: 128 X 77 X 23.3mm Color box dimensions(L x W x H): 250 X 180 X 95 mm 10 pcs/ctn, outer Carton dimensions(L x W x H): 480 X 380 X 270 mm 16) N.W.: 10 kgs; G.W.: 11 kgs 17) Qty/20'' FCL: 5700pcs ; Qty/40'' HQ: 13200pcs