BOBOVR M3 Pro For Meta Quest 3S 3 VR Head Strap with 5200mAh Battery Pack 1. Enhanced Comfort: The head strap features a suspension design with multi-point adjustments, redistributing the weight from the VR host to your head for reduced facial pressure and improved comfort during extended use 2. Convenient Magnetic Battery System: Equipped with a magnetic fast-release battery pack, you can easily disassemble and charge the battery without interrupting your VR session 3. Lightweight Battery for Better Balance: The dedicated B2 battery pack weighs only 140g, effectively balancing the front and rear weights of the VR host. This design significantly reduces head strain compared to traditional power banks, ensuring a more enjoyable gaming experience 4. Extended Battery Life: Each battery pack has a capacity of 5200mAh, providing approximately 2 additional hours of VR playtime (varies by app), so you can stay immersed in your virtual world longer 5. Durable and Adjustable Design: The head strap is made with high-quality materials and features adjustable components for a secure and personalized fit, ensuring durability and long-term usability for Meta Quest 3S3 users Package included 1 x Head Strap 1 x B2 Battery 1 x Pair of PU Leather Pad 1 x USB-C Cable 1 x English User Manual （Other items not include）