Comfortable cushions & Ergonomic design: New Upgrade for quest 3 battery head strap features soft and thick leather cushions on the top and back, complemented by our newly designed rear battery pack, which perfectly balances the weight of the VR headset on the front. Compared to typical head straps, wearing this head strap significantly reduces the burden on the head, providing a more comfortable experience.Extend VR : The battery elite strap adopts a plug-and-play design, allowing you to charge for your Quest 3 headset directly by turning on the battery switch while immersed in the VR world. This extends the headset's battery life by approximately 2-3 hours. No longer do you need to the headset to charge, enabling you to fully enjoy your gaming experience.Safety-First Battery: Built-in with a 5000mAh industrial-grade high-energy density battery, it has passed safety certifications and comes with overcharging, overcurrent, and overvoltage protection. While operating with higher efficiency, it is complemented by temperature control to the safety of the device.Adjustable Size: The exclusively designed gear-type knob can adjust the head circumference at will from 19.9-29.5 inches. The enlarged headrest also covers your head better, making it more stable and comfortable when gaming.note: Power cord color random, Cannot be chosen the specific color.Material: ABScolour: Black whitePackage Contents: 1 x for quest3 headbandOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.