Description:Mainly support: Samsung i9100, i9220 N7000, i9250, i9300, N7100The OTG cable is with USB power supply which features the high quality OTG cable with low resistance, belt shielding, anti-interference, low transmission power consumption, suitable for external OTG equipment with high power in order to avoid power supply shortage.OTG cable length: 20cmUSB cable length: Approx. 20cm Features: Functions: Use this cable,you can connect your phone with USB flash disk.(some phones can use this cable connect with mouse,keyboard.) Total Length: About 20cm Connectors: USB A Female to Micro USB Male&Female (make sure your device with a micro usb 5pin interface) Used for All device support OTG function transfer photos, videos, documents and other data between device and the external memory.