Here are the key features you can typically find in a Vitron 43-inch Smart Android TV:

Display:

• 43-inch Screen Size: A versatile size suitable for various room sizes.   
• Full HD Resolution (1920 x 1080p): Delivers clear and detailed picture quality for everyday viewing.  
• LED Backlighting: Provides good brightness, contrast, and energy efficiency.   
• 16:9 Aspect Ratio: Standard widescreen format for most video content.   
• Frameless or Slim Bezel Design: Offers a modern aesthetic and immersive viewing experience on many models.  

Smart TV Features:

• Android TV Operating System: Provides a user-friendly interface and access to a wide array of apps through the Google Play Store. The specific Android version (e.g., Android 9, 11, or later) may vary by model.  
• Google Play Store Access: Download numerous streaming apps (Netflix, YouTube, Showmax, Amazon Prime Video, Disney+), games, and other applications.   
• Built-in Wi-Fi: Enables seamless wireless internet connectivity.  
• Pre-installed Apps: Usually includes popular apps like YouTube and Netflix.   
• Google Assistant Integration: Allows voice control of the TV and compatible smart home devices via the remote control.   
• Chromecast Built-in: Facilitates easy casting of content from your mobile devices to the TV.  
• Over-the-Air (OTA) Updates: Automatic software updates to ensure the latest features and security.  

Connectivity:

• Multiple HDMI Ports (Typically 2 or 3): Connect various devices like Blu-ray players, game consoles, and set-top boxes.   
• Multiple USB Ports (Typically 2): Connect USB storage devices for media playback. Some models support PVR (Personal Video Recording) to an external HDD.   
• AV Input (Composite): For connecting older analog devices.
• VGA Port: For connecting older computers (may not be available on all models).
• PC Audio In: Audio input accompanying the VGA port.   
• Ethernet Port (LAN): For a stable wired internet connection.
• Bluetooth: For connecting wireless headphones, speakers, and other compatible devices (available on many newer models).   

Audio:

• Integrated Stereo Speakers: Provide basic audio output.   
• Audio Output Ports (Headphone Jack, Optical/Coaxial): For connecting external sound systems.
• Dolby Audio Support: Some models may offer enhanced audio quality with Dolby Audio technologies.

Other Features:

• Built-in Digital Tuner (DVB-T2): For receiving free-to-air digital terrestrial TV channels (availability depends on your region).
• Multi-language OSD: User interface supports various languages.
• Full-function Remote Control: Standard remote with navigation, volume, channel, and smart app controls. Some remotes may have a voice control microphone.  
• Screen Mirroring: Allows you to mirror the screen of your smartphone or tablet on the TV.
• Energy Saving Features: Designed for efficient power consumption.
• Picture Modes: Offers various preset picture settings like Standard, Vivid, Movie, etc., to optimize viewing based on the content.
• EPG (Electronic Program Guide): Provides an on-screen guide for available TV programs.  

Please note that specific features and specifications may vary slightly depending on the exact model and year of manufacture of the Vitron 43-inch Smart Android TV. It's always a good idea to check the product specifications for the particular model you are interested in.