Features: 1. Universal For Mobile Phones/Computers, USB3.0 Fast Transmission And Portable 4-Port Expansion 2. Suitable For Most Headphones, Easy To Wear And Replace 3. 1G File Transfer Takes About 3 Seconds. USB3.0, Theoretical Rate 5GBPS, Measured Transfer Rate 350MB/S, Videos And Files Can Be Transferred Easily. 4. Expand More Devices 5. 4-Port Expansion, Multiple Devices Can Be Used At The Same Time, 4 Interfaces Can Be Used At The Same Time, Say Goodbye To Repeated Plugging And Unplugging 1. Product Name: USB Four-Port Splitter 2. Function: Extended Interface 3. Transmission Rate: 5GBPS 4. Number Of Branch Connectors: 5. Whether To Connect To External Power Supply: No External Power Supply Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use size: Cord length about 10cm Material: alloy colour: Titanium Color Package Contents: 1 x Hub Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.