1. **Picture Quality**: The TCL 85Q681G boasts a stunning 4K UltraHD resolution with QLED PRO technology, delivering vibrant colors and deep blacks. Users praise its brightness and clarity, even in well-lit rooms.

2. **Sound Performance**: Equipped with a 2.0 Channel S Class Sound Bar and Dolby Atmos, this TV offers an immersive audio experience. However, some users noted minor issues with soundbar integration.

3. **Ease of Setup**: Most reviewers found the setup process straightforward, though the TV's size may require assistance during unboxing.

4. **Smart Features**: The Google TV interface is user-friendly, but some users reported occasional buffering and app connectivity issues.

5. **Gaming Performance**: While the TV excels in movie and show playback, gamers should be cautious due to noticeable lag issues with certain consoles and games.

6. **Remote Control**: The remote is praised for its simplicity but criticized for its size and button layout, particularly the IR-only power button.

7. **Value for Money**: Despite some drawbacks, many users consider this TV a great value for its price, especially during sales events like Black Friday.

8. **Customer Support**: Some users faced challenges with TCL's customer support when dealing with technical issues.