Native resolutions in these listings range from 800 × 480 and 1280 × 720 up to native 1920 × 1080. Several models also note support for 4K input or 4K playback.
Reported lamp/LED lifetimes include 20,000 hours, 30,000 hours, 40,000 hours and 50,000 hours. At least one listing does not indicate bulb life.
Many listings include built‑in speakers or Hi‑Fi speakers and mention Bluetooth audio support for pairing external speakers or headphones. Several entries describe two‑way Bluetooth or the ability to connect external audio devices.
Some listings include built‑in smart operating systems or app hubs for streaming; others are designed to work with external streaming sticks or devices. Several entries also mention screen‑mirroring and media‑casting support.
Several listings describe upgraded cooling systems (for example updated fans, oil‑bearing fans, or heat‑dispersion designs) and noise‑suppression features; a few entries provide specific notes on reduced fan noise (one mentions noise reduced to about 25 dB).
