在线说明书
USB DAC驱动程序设置
Operating Temperature
0℃ ~ 50℃
Relative Humidity
< 90%
Atmospheric Pressure
86 ~ 106KPa
Ambient Illuminance
Natural light or fluorescent light: 200 ± 50 lux
PCB Material
FR-4
Enclosure Material
ABS / Zinc Alloy
Power Supply
3.7V / 300mAh Lithium Battery
Infrared Wavelength
940 ± 50nm