Features: Specially designed for adding any USB peripherals to your host devices.(Make sure your device with a micro usb 5 pin interface) Use this cable, you can connect your phone with usb flash disk.(some phones can use this cable connect with mouse, keyboard.) Used for all device support OTG funciton transfer photo, videos, documents and other data between devices and the external memory. Simply connect the micro USB male port to your host devices and the micro USB female port to your usb power cable, then it is ready to go.Set it up in minutes without any extra effort or configuration. It can NOT charge any phone or tablet at the same time, so it will ONLY support OTG if you buy it for phone or tablet. Package Includes: 2 Pieces Micro USB OTG Cable Specifications: Connectors: USB OTG Cable Length:approx 20cm/ 7.87in Material:Plastic Weight:36g note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to manual measurment.