[4 Ports Simultaneously]: This USB hub can easily expand one USB port of your computer to four ports (charging is not supported). Supports 4 ports operating at the same time with stable performance and moderate temperature. Plug and play, no driver required, easy to use. [WIDE APPLICATION]: The 4-port USB extender is suitable for various devices: laptop, flash drive, keyboard, mouse, card reader, hard disk, mobile phone OTG adapter, printer, camera, USB fan, and USB data cable. [Super High Speed Transmission]: With high-efficiency USB 3.0, the 4-port USB splitter provides up to 5 Gbps stable data transmission and is backward compatible with USB 2.0/1.0. Fast enough to transfer high-definition files in seconds. [Humanized Design]: 1cm ultra-thin body, compact, convenient, and sleek. The design considers the size of standard flash drives and spacing between each USB port, allowing you to insert 4 flash drives simultaneously without interference. [LED Indicator Design]: Blue low-light indicator, faint and not dazzling, allows you to monitor the working status and power condition at a glance. Color: Black Material: Plastic Package Contents: 1 x USB Hub Note: Light reflection and different displays may cause the color of the item in the image to appear slightly different from the actual product. Measurement may vary by +/- 1-3 cm.