Eliminate the 1. Charging noise: Ancartian motherboard of Annapro's latest battery, eliminates charging noise, increases your VR experience. Play games for up to 6-8 hours with 6500mAh battery and 18W fast charge, expanding the game time for 2-4 hours 2. Ergonomic Design: Meta Quest 3s or Meta Quest 3 The Elite Battery Title a balanced design for optimal stability. It alleviates the face and head pressure, a comfortable adaptation to the adjustable components that prevent light leakage and sliding 3. Improve clothing comfort: Increase comfort with Annapro battery strap, which has an extended PU memory foam upper belt and soft silicone support pad. Oculus Quest 3s or 3 Enjoy the final comfort and easy cleaning for. Excellent Adaptation: 180 adjustable hinge allows easy to easily turn the Quest 3s or 3 headset, ideal for glasses users. Adjustable button sleeps on various head dimensions, makes it suitable for the whole family 5. Advanced durability: Premium ABSandPC material, head belt is based on more than 100,000 bends and meticulous fall test, provides durability and ineffective charging performance