: A specific category of railway model builds used by hobbyists.
: A portable electronics case (model B161) designed for MP3/MP4 players , available in colors like Pink, Blue, and Black. b161.mp4
If you are looking for a specific named b161.mp4 , it may be a stock VFX asset (such as a "Pink Slime Drip") from a library like ProductionCrate . Tripp Lite series HDMI over IP Encoder/Decoder Kit with KVM : A specific category of railway model builds