Input voltage: 3 to 6V Output power: 0.1W to ... 130mAh OEM/ODM welcomed Sample within 3 to 5days Voice Module SpecificationInput Voltage3V(2pcs 1.5V batteries) , 4.5V ... , loudspeaker/buzzer, microphone, LED lights, batteries, wire harness, switch, more or less for different items.ICOTP or Mask Rom ... 160mAh)AA(1.5V, 750mAh); AAA(1.5V, 300mAh)Switch OptionsPull-tab, press, on/off, vibration, sound sensor, ...