... ergonomic design; high-performance thin-film circuit switch 4, Intelligent Power Management: Operating voltage: 3V., The work of the maximum ... current: 10mA 5, key power flow only 10 milliamperes, plus smart power-saving design, 5 seconds without action ... ergonomic design; high-performance thin-film circuit switch 4, Intelligent Power Management: Operating voltage: 3V., The work of the maximum ...