Description: and Only for charge,can not transfer data,Can not support OTG function and fast charge,only for 5V charging. Type C Extension cable with on / off for your convenience,need to use your own USB to Type C cable. No need to pull the cable to restart or restart your pi, just press the button to turn your Pi on and off Helps prevent the Pi of USB connector from wearing out often because pulling and inserting the USB cable Suitable for An-droid for smart phones or tablet PC powerbank and more Type C port devices. Not only can be used for your Pi, but also for any Type C devices just like An-droid cellphone or tablets. Type C Female to Male Push Power Switch for Raspberry Pi 4 Application: USB power output, LED light bar, USB small desk lamp / fan, LED small table lamp and other computer peripheral small power electrical power supply Line length: 27cm Color: Black Material: Plastic Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! 4.No retail package Package includes: 1 X Type C Extension Cable With ON/OFF Switch Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin