1/2/4PCS 20cm USB3.0 to USB3.0/2.0 USB3.0 Female to Dual USB Male Extra Power Data Y Extension Cable Description: Product Name: USB Female To 2 USB Male 3.0 Enhanced Power Supply Data Extension Cable Product Function: This Data Cable Can Strengthen The Power Supply The Device When The Computer Is Connected To A Mobile Hard Disk Or Other Devices. Product Length: 35cm Product Plug 1: USB3.0 Male (data Transmission + Charging Function) Product Plug 2: USB2.0 Male (charging) Product Base: USB3.0 Base Product Color: Black Specifications: 1. Enhance Data Transfer Function With This USB 3.0 Extension Cable! 2. Use This USB 3.0 Cable To Easily Connect Your Mobile Hard Drive! 3. Use This USB 3.0 Bus To Dual Male To Experience High-speed Data Transmission! 4. Reliable And Durable USB Extension Cable, Enhance Connection! 5. More A-shaped USB Interface Than The USB3.0 Data Cable. When The Two Interfaces Are Connected At The Same Time, The Power Supply Capacity Is Effectively Increased, And The Mobile Hard Disk Cannot Be Recognized Due To Insufficient Power Supply Of The Connected Device. 6. Super Good Quality Three-head USB3.0 Data Cable, With Super Auxiliary Power, More Stable Power Supply. Package Included: 1*data Cable