Features: Features: Long-lasting immersive experience: The newly upgraded head Strap for Meta Quest 3/Quest 3S built-in 10000mAh industrial-rank high energy density battery with enhanced working efficiency, which is nearly twice the capacity of other batteries on the market and can be charged 2 times. It adds 2.5-5 hours (APP depends) of VR time when fully charged, providing an impressive total playtime of up to 7 hours. Upgraded 18W Fast Charging: The head strap with battery is crafted for compatibility with the original 18W charging, requiring just around 2.5 hours to fully charge for your Meta Quest 3/Quest 3S, reduce the waiting time you need to use VR 3 or 3S and enter quickly. Moreover, USB-C ports can also charge your other devices, the blue light at the top shows the surplus power. Relaxed and Comfortable: Our battery pack for meta Quest 3/Quest 3S has a 52° adjustable hinge, allow for a smooth 90-degree rotation during gaming breaks. The gravity balance and distributed design is adopted, reducing facial pressure. It also comes with a soft high-quality material head pad that enhances breathability and water absorption, so you can enjoy an immersive gaming experience in comfort. It's compatible with the original charging dock for Meta Quest 3/Quest 3S. Safety Protection: Our VR headsets battery strap for Quest 3S are equipped with multiple safety systems, including overcharge, over-discharge, and overcurrent protection eg. The upgraded battery management design automatically adapts to meet the charging needs of Quest 3S, ensuring the safety of your device while using battery strap. The indicator light allows you to check the battery level at any time. Sturdy & Long-lasting: Our elite strap with battery compatible with Meta Quest 3/Quest 3S is made of durable and sturdy eco-friendly upgraded nylon PA material, which is harder and more durable than ABS material. The side strap that can bend up to 10,0000+ times, no longer worry about side strap damage.