KIWI design H4 Boost Battery Head Strap Compatible with Meta Quest 3/Quest 3S

Extended Playtime with Enhanced Battery - Enjoy up to 3 extra hours of uninterrupted gaming with the H4 Boost’s extended battery life. Designed to match your usage scenarios, it ensures longer playtime without the worry of running out of power. DualFast 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 - The adaptive front headrest evenly distributes weight, reducing facial pressure for extended comfort—even without the facial interface. Elastic side straps, an adjustable top strap, and a soft rear cushion ensure a secure, personalized fit for all head sizes, perfect for gaming, movies, or productivity. Adjustable FOV & All - Day Ventilation - Customize your field of view (FOV) with the damping slider and headset lever knob for optimal clarity. The innovative ventilation design in the fore cushion keeps your head and face cool during long sessions, ensuring comfort and focus. Lie Down Comfortably - The integrated adjustment knob makes fitting effortless, while the design allows you to lie down comfortably on your couch or bed. Fully immerse yourself in gaming or movies with the H4 Boost Head Strap, offering unmatched comfort in any position.