·Extended Playtime with Enhanced Battery: Enjoy uninterrupted gaming with up to 3 hours of additional battery life; play longer without worrying about running out of power; tailored to your usage scenarios for maximum performance

·Dual Fast Charging; Two Times Faster: Power up both H4 Boost and Quest 3/3S simultaneously with DualBoost Charging system; fully charged in just 2.5 hours; 45W adapter delivers 25W output to Quest 3/3S; reach 65% charge(Both HMD&H4 Boost) in 60 minutes for 2.5 hours of playtime

·Zero Facial Pressure & Custom Fit: Adaptive front headrest design evenly distributes the weight of Quest 3/3S, reducing facial pressure and offering a comfortable fit for extended use, even without the facial interface; elastic side straps, adjustable top strap, and soft rear cushion ensure a secure fit for all head sizes, ideal for gaming, movie-watching, and productivity

·Adjustable FOV & All-Day Ventilation: Damping sider allows front-to-back FOV adjustments, while the headset lever knob provides up-and-down alignment for a clearer experience; innovative ventilation design in the fore cushion keeps the head and face cool during long sessions

·Lie Down Comfortably: Integrated adjustment knob enables effortless fitting; enjoy total comfort while lying down on your couch or bed, making it easy to fully immerse yourself in gaming or movies with the H4 Boost Head Strap on Quest 3/3S