● Product Name: USB Extension Cable With ON/OFF Switch, USB male connector + Pigtail cable● Total Length: About 1.5M● Rated voltage: within 5V● Rated current: within 1A● Optional Colors: Black/White● Function: Only for power supply, NOT for data transfer.● USB Extension Cable With ON/OFF Switch.Just press the button to turn on or off.● Red to positive pole, black to negative pole● Features:Easy & Convenient● Package List:1Pcs x USB Extension Cable with Switch ● No need to pull the cable to shutdown or reboot your device, just press the button to turn on or off. DIY Pigtail Cable，convenient and easy to use, USB Male head + 2-core Charging cable● Wide Application:Suitable for low-power electrical equipment output by USB power interface. For example LED desk lamp, USB fan, bedside lamp and other computer peripheral low-power electrical devices.● Note:Due to manual measurement, please allow for an error of fore making a offer, please make sure you don't mind.