Connector Type USB Type-A Female 90 Degree Solder type USB1
to the four most users synchronous transmission multiple audio streams
2 pole Audio jack plugs are only appropriate for mono Applications
When the power supply and the control switch are connected and power on
audio systems
High-Power 2000W SCR Voltage Regulator Dimmer Speed Temperature Controller AC 220V SMD LED Connector Type USB Type-A FemaleHigh Power 2000W SCR Voltage Regulator Dimmer Speed Controller Thermostat is used to control AC supply and suitable for electric furnace, water heater, lamps, small motor, electric iron. etc. You can adjust brightness, speed, pressure, temperature control effect. Connect this device with a lamp or home appliance in a series connection, then rotate the knob for dimming, speed, voltage, temperature control. Specification Input Voltage 90 220V AC Maximum