Product attributes Hub size (approximately): 8x2.2cm/3.1"x0.9" (diameter * height), USB cable length (approximately): 55cm/22". Net weight: 60 grams. Material: plastic, copper, aluminum. LED Light color: blue. Maximum date: The maximum data transfer rate is 1tbps, the number of connected devices is 8, and USB 2.0 is compatible with USB 1.1. Applicable scenarios-suitable for external hard drives, smart phones or any other USB devices to your computer, or as an adapter to charge mobile phones. The DC hole power supply can meet your outing needs. Note when using: When the blue light is on, it means it is working. When connecting the device for the first time, you need to wait for a few minutes to install the driver before it can be used normally. color: White