A height-adjustable TV trolley designed for 32 to 70-inch displays typically features a sturdy construction with an adjustable mount to accommodate various screen sizes. These trolleys often come with wheels for mobility, offering convenience for moving the TV between locations. Look for models that include cable management systems to keep cords organized, as well as safety features like locking wheels and sturdy bases to ensure stability. Additionally, check for compatibility with VESA mount standards to ensure your television can be securely attached.