Product A & B:
Feature:
【Read Most Memory Cards With Speed】: USB 2.0 SD/micro SD/card reader for data transmission, Transfer files, pictures, videos from SD/Micro SD card to your Computer (PC or MacBook) ,Android Smartphone & Tablets (with OTG Function).








Product C & D:
Description:
Condition: 100% Brand New and High Quality !
Product Name: Type-c 5-in-1 OTG card reader
Color: Black, White
Material: ABS environmentally friendly materials
Product Function: USB2.0 male + MICRO male + Type-C male, speedily read TF memory cards, external keyboard with USB male interfaces, mice, USB flash disks, USB Shields, gamepads and other USB devices.
Support equipment: mobile phones, Mac_book (USB Type-C), laptops, common computers
Compatible With Multi-systems: supports Micro / Usb / Type-c / TF
Product Size: about 7.5 * 1.7 * 1.0 cm



