1. Head Strap for Meta Quest 3 with 7500mAh Battery: Are you struggling with VR headset that only has two hours of power? This comfortable head strap for meta quest 3 comes with a 7500mAh battery. It can delay your gaming time for 2-3 hours. In addition you can purchase our additional specialized battery and charging station for uninterrupted happy recharge 2. Balance Pressure & Relieve Face Fatigue: This Advanced strap is equipped with soft cushions on the forehead top of the head and the back of the head the pressure is evenly dispersed to relieve the pressure on the face 3. Compatible with Meta Quest 3S/Quest 3/Quest 2: This head strap includes two sets of fasteners and installation tools that are compatible with the Quest 3/3S head strap and Quest 2 head strap. Note: When installing the fasteners please be careful to select the model that corresponds to your VR headset(Quest 3 is compatible with both Quest 3/3S) 4. Two Adjustable Knobs: Headstrap for oculus quest 2 has two knobs that can be adjusted up & down and forward & backward you can adjust the knobs according to the shape of your head. Minimum/maximum head length compatibility of 5.9 inch-9inch It is compatible for both Mature Audiences and kids come and share the fun with your family! 5. Hot-Swappable Battery with LED Display: NinjajoyOX battery head strap for quest 3 Equipped with a USB-C plug-in battery that rests seSupportly against the head strap. No need to worry about the battery slipping out of the headband even during strenuous exercise. The battery has a touch-sensitive LED display for a more intuitive indication of the battery level.  6. 55 Flip-Up Design: The head strap for oculus quest 3 can be flipped up 55 allowing you to easily switch Predictionween virtual and real-world activities. You can drink open doors or take calls without removing your headset