This is a gif file. Gifs does not have sound. It is 640 x 480, 16.8 MB and 8 to 15 seconds long. It's like a little movie that keep looping. Gifs are very popular online to use. The preview will show you the animation of the gif.
Use this happy birthday video greeting to upload directly to your family and friends Facebook timeline when it's their birthday. Download it to your hard drive and use it to upload directly to your love ones profiles, messenger, email etc. Also, you can use it on other social media sites as well.