1. Silent charging: Annapro's latest battery module eliminates charging noise, enhancing your VR experience. With a 9000 mAh battery and support for 18W fast charging, it provides up to 6–8 hours of playtime – an extension of the standard battery life by 2–4 hours. 2. Ergonomic design: This Elite headband with battery is designed for Meta Quest 3s/3 and features balanced weight distribution for superior stability. It effectively relieves pressure on the face and head, provides a comfortable and secure fit, and prevents light leakage and the device from slipping. 3. Increased comfort: Annapro's headband with battery elevates the comfort level thanks to an extended PU memory foam top strap and soft silicone support pads, making the experience with Meta Quest 3s/3 more pleasant and the device easy to clean. 4. Perfect fit: A 180-degree adjustable hinge allows you to easily flip up the Quest 3s/3 headset – perfect for glasses wearers. The adjustable knob adapts to different head sizes and ensures a comfortable fit for the whole family. 5. Exceptional durability: The headband is made from high-quality ABS+PC materials and has undergone over 100,000 bending cycles as well as rigorous drop tests, guaranteeing a long lifespan and reliable charging performance.