UNITEK 2-in-1 SD 3.0 Card Reader. Dual USB-A & USB-C Connectors. Supports 5Gbps Fast Trasfer Speed, Plug & Play, Alluminium Alloy Body, Space Grey. Computer Dynamics Ltd The problem with optical fiber

The problem with optical fiber transmission is that dispersed light does get through the Toslink cable

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Adjustable Legs

UNITEK 2-in-1 SD 3.0 Card Reader. Dual USB-A & USB-C Connectors. Supports 5Gbps Fast Trasfer Speed, Plug & Play, Alluminium Alloy Body, Space Grey. Computer Dynamics Ltd The problem with optical fiberUNITEK 2 in 1 SD 3. 0 Card Reader. Dual USB A & USB C Connectors. Supports 5Gbps Fast Trasfer Speed, Plug & Play, Alluminium Alloy Body, Space Grey. 2 in 1 SD 3. 0 Card Reader UNITEK 2 in 1 SD 3. 0 Card Reader is made of wear resistant metal and its great for carrying around, whether to the office or travel. The aluminium shell facilitates quick heat dissipation and extends the life of product. Features: Fast Transfer Speed: USB C and USB A 5 Gbps