... III chip, 20 channels, accurate and fast5) CPU: Centrality Atlas-III, dual-core, CPU 372MHz, DSP 248MHz6) Built-in bluetooth module, ... of 16:9 wide screen15) Highly precise wearable touch screen, support writing by hand, spelling, stroke and other many inputting ... reading: support TXT format electronic text reading. 5inch TFT with touch screen GPS,GPS navigation,Bluetooth GPS,Global positon system