This is a switch that can turn USB power ON/OFF. 【Wire Specifications】Uses precise 24AWG, OD: 3.2mm, 2-core copper wire. Solves the problem of long-distance cable control. 【Material】High-quality copper wire with excellent conductivity is used inside the cable. The USB switch shell uses high-quality materials and has excellent insulation. 【Plug and Play】USB A (male) and A (female) terminals can be connected. These are common USB terminals. When installing, simply connect the male and female terminals to the corresponding electrical equipment. No additional tools are required for installation. You can turn it on/off by pressing the button. 【Applications】Widely compatible with low-power electrical appliances such as LED light strips, USB heater gloves, bedside lamps, USB fans, and driving recorders. Thank you.