... position) 8, WM9713 audio output, support for two output, two-way entry. And support the TOUCH function. Phone support and the composition of GSM ... the phone; 11, reset button all the way 12, Two LED lights, LED lights the way directed; 13, Camera Interface 14, headphone jack ... , 1.5W speaker interfaces; 15, IIC ADC SPI Interface 16,10-bit code switch ...