USB interface supports USB devices such as USB flash drives, USB mice, USB keyboards, and more. Compatible with select Samsung Galaxy devices including Galaxy S2, Galaxy Note, Galaxy S3/S4, Galaxy Tab3 8.0, Sony Xperia models, Toshiba REGZA Phone, and Sony S-series tablets. Draws power from OTG port only; current for USB devices is limited to host capability. Equipped with USB 2.0 4-port hub for connecting mouse, keyboard, U disk, camera, printer, and other USB peripherals. Plug and play installation; no external power or driver required for Android and PC with USB support. Supports optional extra power via Micro-USB port if needed. (Note: Extra power is intended for accessories such as mice and keyboards only; not suitable for charging smartphones or tablets.) Color: Black Material: Plastic Size: 20cm Package Contents: 1 x Micro-USB cable Only the items listed above are included; other products are not part of this package. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1-3cm.