They use USB, SD, Micro SD and wirless.
Wi-Fi, Bluetooth, USB and by transferring a storage card from camera to PC.
through USB, FireWire, Serial or Parallel connection.
Yo use it to transfer images from a digital camera to and from your computer.
I am assuming it is From the Camera itself, since they use USB2.0, and it can cache. Otherwise, put the card in a card reader.
To transfer pictures from your camera to your phone, you can use a USB cable to connect the camera to your phone, or use a memory card to transfer the pictures. You can also use a cloud storage service or a wireless transfer app to move the pictures from your camera to your phone.
SD cards, Compact Flash Cards, Micro SD cards, and Internal Hard Drives
Photography
To open images in Camera Raw, you can either open the image directly in Camera Raw or use Adobe Bridge to select the image and then open it in Camera Raw.
To transfer photos from your camera to your computer wirelessly, you can use a Wi-Fi enabled camera or a wireless memory card. Connect your camera to the same Wi-Fi network as your computer, then use the camera's software or a file transfer app to send the photos to your computer.
To transfer photos from your camera to your phone, you can use a USB cable to connect the camera to your phone, or remove the memory card from the camera and insert it into your phone if it has a memory card slot. You can also use a wireless transfer method such as Bluetooth or a dedicated app provided by the camera manufacturer.
You actually don't need any specialized software to transfer the images. In most cases, you can connect your camera to your computer via a USB cable, treating your camera as an external storage drive and moving the files over. The other option is taking the memory card from the camera and inserting it directly into your computer if you have a card reader slot.