High-concerned Chemical: None Type: Cable Adapter Professional performance high-speed CF Express Type B card reader Plug and play, no driver required. Supports Windows 10/8.1/7/Vista/XP laptop computers, macOS, Linux, and Android The key to the quality of the card reader lies in the main control chip. This CF Express Type B card reader features a high-quality main control chip for more efficient, reliable, and widely compatible performance Note: The chip image is a rendering and not the actual component. Please refer to the actual product High-speed transmission: Standard 50GB large file transfer in 60 seconds. Uses USB 3.2 Gen 2 specification with 10Gbps high-speed transmission standard. Equipped with high-quality main control chip, supports theoretical read speed up to 1250MB/s Multi-layer shielding for anti-interference and stable performance. Features tinned pure copper core for lower resistance transmission and reduced overheating. Outer jacket made of 0.5mm thick PVC, 4mm wire diameter, more durable and robust 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 differ slightly from the real thing. Measurement allowance is +/- 1-3cm