Black Screen Video 2 Hours in 4K HD | Ambient Light & Deep Sleep | No Sound | Blackout Screen 2025

Relax with this 2-hour black screen video in crystal-clear 4K Full HD. It’s completely silent, has no flicker, and is perfect for deep sleep, meditation, screen testing, or saving battery on OLED displays. This pure black screen creates a distraction-free environment for focus, rest, or dark-room use. Ideal for: 🛌 Sleeping in complete darkness 🧘‍♂️ Meditation and mindfulness 🎯 Focus while working or studying 🔋 Saving battery on mobile or OLED screens 📺 Black screen test for displays, projectors, or smart TVs 🎥 Background for projectors, lighting setups, or sleep videos ✅ Duration: 2 Hours 📅 Updated for 2025 🔇 No Music | No Ads | No Flicker | No Light 📱 Works perfectly on: iPhone / iPad Android Laptop & PC 4K TVs & Monitors