Alpha Digital Upgraded Adjustable Head Strap offers you better design, better quality, better comfort, better support, and lets you have a better VR experience for the Meta Quest 3 / 3S. It features an extra external battery pack rated at 6,000mAh to extend the gaming experience up to 4 hours. Additionally, the battery pack has a built-in safety protection system as well to ensure the safety of you as well as the device, and a built-in digital display to always know the current battery life remaining, so you can make sure you charge it in time without having to worry about it dying on you while playing. The ergonomic design helps to increase comfort for a longer and more enjoyable gaming experience. It adopts a distributed weight gravity balanced design, which evenly distributes weight across the head to help with reduced pressure on the face. It features a 52 degree hinge for easy on/off and 2 points of contact with a center strap for a sturdy feel. The multi-point design features an adjustable knob with a 1-click release, which helps make it easy to adjust for the most comfortable feel. The strap replacement is made with high-quality materials, and a soft sponge pad to provide a soft, breathable, easy to clean and durable design. The straps are made of ABS material, which have been tested to bend more than 100,000+ times, so you never have to worry about them breaking. Enjoy easy assembly and installation with minimal parts, allowing you to update your Quest 3 / 3S to better comfort and a longer battery playtime within minutes. It is an ideal replacement for the official elite strap.