What is This? The USB cable is used to convert the charging interface and control power supplies, widely for cameras, MP3, hard disk boxes, web cameras, scanners, speakers and other devices. What will I get? Color: Black Switch Model: 501 Material: PC, RVV, Copper Connect Type: USB Male to DC 5.5x2.1mm Male Wire Specification: 24AWG Cable Length: 150cm / 5.9 inch Voltage: 5V Maximum Working Current: 2A Package Content: 1Pcs x Cable Are there any advantages of the product? With an ON/OFF Switch to effectively reduce the wear and tear of the power interface caused by plugging and unplugging, No need to plug and unplug the USB cable, just press the switch button to turn it on and off. How to use it? Plug the USB cable into the power supply, and the DC cable into the device that needs to be powered. The switch button is used to control the power. What should I notice? This data cable only supports power supply for low-power devices, does not support fast charging protocol, and does not support data transmission.