The projector supports key HDMI 2.1 features:
- VRR (Variable Refresh Rate)
- ALLM (Auto Low Latency Mode)
- eARC (on HDMI 1 only)
Supported input formats:
- 4K (3840 × 2160) @ 60Hz
- 1080p (1920 × 1080) @ 120Hz
Does the Elfin Flip 4K support HDMI 2.1?
