Builtin 3.5 mm audio supports sound transmission, ensuring video and audio output stay synchronized and improving viewing experiences without the need for additional drivers Ideal for enthusiasts, professionals and anyone needing a bridge between older devices and the latest displays, offering broad compatibility and reliable performance Portable and easy to set up at home, in the office, or while traveling; compact design facilitates onthego use Made of ABS material for durability and longterm performance; provides stable signal conversion to help prevent screen delay and image distortion when connected Use scenarios: At home: connect an older DVD player or media device to a modern TV to enjoy synchronized video and sound without extra software In the office: link a legacy laptop or media player to a contemporary projector or monitor for clear presentations with reliable audio While traveling: pair a retro device with a hotel room TV or portable display for convenient viewing without setup hassles