Julyshop New USB Cable With ON/OFF Switch Toggle Power Control For Raspberry Pi Arduino Use range: DC power output, low-power electrical power supply, a small desk lamp / fan, LED lights, and other computers peripheral small power electrical power supply USB A / M + 303 switch + USB A / F Wire Specifications: 246 422 # 2 core OD: 3.5MM black round bare copper wire Button Quantity: 1(ON/OFF)