Mini répartiteur d'ordinateur portable, extension de hub USB 3.0

Mini portable USB hub 3.0HUB 3-port splitter Features: High performance, multi compatibility, fast transmission Compatible devices: Simultaneously connect devices such as USB flash drives, card readers, USB mice, USB keyboards, scanners, digital cameras, USB sound cards, hard drive cases, etc 3 ports simultaneously, using USB HUB controller, fast heat dissipation, aluminum alloy shell, no need for electricity, plug and play USB3.0 high-speed transmission: USB3.0 provides 5Gbps broadband transmission, with a peak transmission rate of 480Mbps for USB2.0. The transmission rate of USB1.1 is 12Mbps, and 3.0 is 10 times higher than 2.0 USB HUB controller, no driver required, plug and play, hot swappable Three downstream ports are high-speed (480Mbps), full speed (12Mbps), and low-speed (1.5Mbps). Some powerful USB devices may require an AC powered USB hub. System requirements: Windows 7/Vista/XP/2000/ME/98/8/10; OS 8.6-9.2/OSX-10.6. 3-port USB extender: Upgrade 2 ports to USB 3.0, with a speed of up to 5Gbp/s. Two downstream USB 2.0 ports have a speed of up to 480Mb/s, making them easy to use and suitable for PCs, laptops, and any USB computer. Designed specifically for data transmission rather than charging, there is not enough power to charge three devices simultaneously. The data transmission speed can reach up to 480Mbps. USB device: Connect peripheral devices such as a mouse, keyboard, flash drive, card reader, or external hard drive to a portable or desktop computer How long do you usually take to ship? Normally, the shipment will be made within 24 hours after payment, and in particularly busy times, it will be shipped within 2 days. Please do not rush as our small items are very cumbersome and the delivery process is very slow. In addition, in order to reduce workload, we usually enter the tracking number into the transaction information when doing it. If you do not find any tracking records on the same day, it will be the next day before shipment can be made. We entered the tracking number during the production process. We apologize for any inconvenience caused. We will not ship on Sunday. We apologize for any inconvenience caused What do you usually send? We default to sending to Baishi, you can choose for urgent shipments, but the general postage is collect. Please refer to the postage settings in the product settings for postage. I have two and I need you to change the postage. But what if you're not here? If we are not at the computer, you can pay directly, because the product weight will not be particularly accurate, we will directly transfer the overpaid postage from Alipay to you, but you need to leave a message to tell us, otherwise we do not know that you have overpaid the postage. What should I do if there are quality issues?