Compatible Devices Keyboard, Tablets, Laptop Focal Length USB 3.0 Color Black Item Dimensions L x W x H 29 x 17 x 8 millimeters Item Weight 7.5 Grams Number of Ports 2 About this item USB Adapter: USB-C to USB-A 3.0, high-speed data transmission, compatible with USB flash drive, USB keyboard and other computer accessories. Package of 1 pcs. With this USB OTG adapter, the conventional USB port and USB Type-C port of devices can be easily converted. USB-C to USB 3.0 adapter: Compatible with mobile phones, tablets and laptops using USB-C ports. Compatible with Macbook, Samsung Galaxy S8/S9/S10/S20, Note 8/9/10, Google Pixel 2/3/4 XL, etc. Plug and Play. Support OTG function. No need to install drivers. Small, portable and durable. Black aluminum alloy metal case. If the blue light is working, the USB-C adapter is working normally.