High Sensitivity Atlas III GPS Receiver Centrality Atlas-III, dual-kernel, CPU 372MHz, DSP 248MHz. WinCE OS 5.0 4.3" (16:9) TFT LCD wide screen with touch panel Built-in internal GPS antenna Rechargeable Li-ion battery (1100mAh) Multimedia Player Audio formats(Audio Player): WMA9, MP3, WAV Video formats(Video Player): WMV, AVI, ASF Picture formats(Photo Player): JPG, GIF, BMP, PNG Text format(e-Book): TXT Dimension: 124×80×20 (mm) Compact and slim design