Fangrui Product Details [professional Cfexpress Type B/sd Card Reader] This Professional Cfexpress Type B Card Reader Features A Dual-slot Design, With One Slot Compatible With Cfexpress (type B) Cards And The Other Compatible With Sd Cards, Making It The Ideal 2-in-1 Card Reader For Photographers And Videographers To Carry Around. [ultra Speed 10gbps Data Transfer] The Express (type B) Card Reader Lets You Instantly View Images Or Videos On Your Smartphone, Tablet, Or Laptop, And Its Latest Usb 3.2 (usb 3.1 Gen2) Technology Supports Transfer Speeds Of Up To 10gbps (1,250mb/s) For Cfexpress B Memory Cards (backward Compatible With Usb 3.1 ). Built-in Leds Easy To Monitor The Card Readers Connection Status. [dual Cable Design Portability] The Express Type B Reader Comes With Usb-cusb-a 2-in-1 Cable. The Dual Cable Design Allows One Card Reader To Be Compatible With All Usb C And Usb A Smartphones, Laptops And Other Devices. Express Type B Card Small And Compact Design Makes It Easy To Put It In Your Pocket, Bag And Take It Anyw