¤Product Attributes¤ Hub Size(Approx): 8x2.2cm/3.1"x0.9"(D*H), USB Cable Length(Approx) : 55cm / 22". Net Weight: 60g. Material : Plastic & Copper & Aluminium. LED light color : Blue. | ¤Maximum Date¤ The maximum data transfer rate is 1tbps and maximum connecting devices quantity is 8,USB 2.0 compatible USB1.1. | ¤Applicable Scenarios¤ Applicable to an external hard drive, smart phone or any other USB device to your computer, or charger your phone as an adapter. DC hole power supply to meet your outing needs. | ¤Use Matters¤ Every time the blue light is on, it indicates that it is working. When connecting a certain device for the first time, it is necessary to wait few mins patiently for the installation driver before it can be used normally. | ¤After-sales-services¤ 6-month warranty: If it doesn’t work within half of year, we will send you a new. Your purchase was safe and protected.