Features: Brand new and high quality Supports OTG and charging functions. Simultaneously supports 4 USB 2.0 HUBs for U-disk, mouse, keyboard, game controller, etc. Compatible with Android and Windows systems. Charging and OTG work for Galaxy S3/S4/NOTE2/NOTE3, Nexus 7/8/9/10, etc. Connect the USB male to Micro USB female adapter to use as a PC USB HUB + card reader. Specifications: Color: Black (as pictured) Cable Length: 26 cm/10.24 inches (approx.) Introduction: Switch 1: General OTG mode Switch 2: Windows desktop charging and OTG working mode Switch 3: Windows desktop, Android mobile charging and OTG working mode Quantity: 1 set (other accessories demo in the picture is not included) Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!! Compare the detail sizes with yours, please allow 1-4 CM variation due to manual measurement, thank you! Package includes: 1 X Micro USB OTG 4-Port Hub Adapter (No retail package) 1 x USB Adapter 1 X User Manual