Features:
3.5 inch 64K color TFT LCD (320X240)
Samsung S3C 2440 processor (400Mhz)
Star III high sensitivity receiver ,more20 channels 
 OS: Based on Microsoft Windows CE.Net 4.2
Touch Panel
Multi-language support with input method
Internal Lithium battery(lasts 5 hours)
USB 2.0 (full-speed)
support WMV,AVI,ASF,MP3,WMA,WAV media format
Txt Format Files Browser(E-book)
Photo Scan: JPEG,BMP
SD memory card expansion
Headphone/built-in speaker
SD Card/Map (option)
Locates:10 Meter. 90% Sensitivity 0.1 m/s.
Localization time:Localization：0.1 s
Dimension:95*77.5*22mm
Weight:175G

Packing information: 
 Unit size:         91*77*22mm  
 Unit weight:     171.8/771.4g
 Unit packing:    Color box    
 Box size:          21.7*16*9.5cm
 Outer carton:   10boxes   
 Carton  size:    49.5*23.7*35cm   
 N.W/G.W:         7.7/8.7kgs     
 20ft/40H ft:      6810/16070sets