Adjustable Backpack Power Bank Holder for Meta Quest 3 Oculus Quest 2 PS VR2 Pico 4 VR Headset About this item: Better Posture Support – Our back-posture corrector for men and women provide support around your back region without leaving your armpits feel restrained to better improve your posture. Effectively and gradually corrects the bending deformity of bones caused by prolonged VR gaming. Extending Your VR Playtime: Fixes external battery on your back, no extra weight added on your head, at the same time perfectly solves the problem of insufficient battery power supply to extend your playtime. Unique Design: Hold your power bank, secure it in the back brace and less head gravity to reduce damage. Widely compatible: fit most external battery packs, keeps the power bank in place firmly Breathable Material: The VR all-in-one battery back brace is made of cloth velvet material, which is more lightweight, durable and breathable, allowing you to enjoy VR gaming more comfortably. Adjustable Back Straps: Easy to adjust the shoulder dowagers hump corrector with magic sticker for suiting different size people, no worry it will too tight or loose for you.