Raspberry Pi Power Supply Board Module + USB HUBThe Raspberry Pi has 4 USB Port so that we can hook up 4 USB devices on it. You will need a USB expansion device like USB HUB If you want to have more USB device connected, and most of them are not for mobility. Pi Supply & USB HUB is fit for your mobility requirement, It is smaller and functional. It can provide power charging for your Cellphone (include iPhone) Raspberry Pi 3 Model B Pi 2B Pi B+ Pi A+ Pi B Pi zero. It can offer you 4 USB DATA
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