Hign-concerned Chemical:None Type:Cable Adapter Professional performance high speed card reading Cfexpresstypeb card reader Plug and play, no driver required Supports windows10/8.18/7/vista/xp laptop computers, macos, linux, and android The chip is better The key to the quality of the card reader lies in the main control chip cfetypeb card reader selectsgood-quality main control chip more efficient, more reliable and widely compatible Ps: the chip is a rendering and does not the actual object. please refer to the actual product High-speed transmissionstandard 50g large file transmission in 60 seconds Using usb3.2gen2 specification, 10gbps high-speed transmission standard, select good-quality main control chip, theoretical reading speed is up to 1250mb/s Multi-layer shielding anti-interference is more stable It is composed of tinned pure copper core, with lower resistancetransmission and no overheating. the outer quilt is 0.5rep thick pvc, 4mm thick wire diameter, stronger and more Color: Black Material: plastic Package Contents: 1 * card reader 1 * Card Holder (No card) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.