The video shows a small, white mouse with a long tail moving around in a cage filled with wood shavings. The mouse is seen sniffing and exploring its surroundings, including a small wooden house. The mouse's fur is clean and fluffy, and it appears to be healthy. The cage is well-maintained, with no visible signs of dirt or debris. The video is shot from a close-up angle, allowing viewers to see the mouse's movements and expressions in detail.