Plug Standard:NonePackage:Yes Funtion:Reader Standard:USB 3.0 Ports:4 Interface Type:USB 3.0 Origin:Mainland China High Speed USB 3.0 : Enjoy lightning-fast data transfer speeds with USB 3.0 technology. 4 Port USB Hub : Connect multiple devices to your PC or computer with ease using the 4 port USB hub. Multiport HUB : This USB hub allows you to connect multiple devices to your computer, making it a versatile accessory for all your needs. Reader Function : The reader function allows you to easily transfer data from your USB devices to your computer, making it a convenient tool for all your data transfer needs. parameter Product Name: USBHub (USB3.0 FeatureUSB3.0 * 1 USB2.0 * 3 The top first port is USB3.0, and the other ports are USB2.0 Power supply: USB 5V/Peugeot Wheel hub working temperature: 0 -70 Hub storage temperature: 10 C-90 C HUB humidity range: 10% -90% Storage humidity range of HUB: 10% -90% Portable: Lightweight and easy to carry Including packaging: 1 * USB hub Product color: black/white Notice 1. This hub is not used for charging, only for data transmission 2. Compare the detailed dimensions with your size. Due to manual measurement, please allow an error of 1-3cm. 3.If there are any issues with the product, please leave a message before giving any negative feedback.