High-concerned Chemical: None Type: Cable Adapter Professional performance high-speed card reading CFExpress Type B card reader Plug and play, no driver required. Supports Windows 10/8.1/8/7/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. CFExpress Type B card reader selects high-quality main control chip for more efficient, reliable, and widely compatible performance Note: The chip image is a rendering and does not represent the actual object. Please refer to the actual product High-speed transmission standard. Transmits 50GB large file in 60 seconds. Uses USB 3.2 Gen 2 specification, 10Gbps high-speed transmission standard. High-quality main control chip enables theoretical reading speed up to 1250MB/s Multi-layer shielding for anti-interference and stable performance. Features tinned pure copper core for lower resistance transmission with no overheating. Outer jacket is 0.5mm thick PVC, 4mm wire diameter, stronger and more durable Color: Black Material: Plastic Package Contents: 1 x Card Reader 1 x 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 to be slightly different from the real thing. Measurement allowed error is +/- 1-3cm