Sonicgrace S3 Duo S3 Duo Magnetic-Battery Comfort Head Strap With Charging Syste

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Dual hot-swap battery packs - equipped with two 8,000-mAh batteries that you can easily swap while gaming, giving your Meta Quest(TM) 3 over 4 extra hours of gameplay;
stay immersed in the VR world without interruptions;
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Cycle power supply system - charging dock can charge 2 batteries simultaneously, allowing you to charge 1 while using the other;
swap them out and keep your Quest 3 powered up without any interruptions;
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Adjustable support arms - 2 side arms not only adjust the wearing angle by 180deg , but can also be lengthened or shortened through the rear knob, allowing for easy and secure fitting for adults, children, and those wearing glasses;
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High-density memory foam strap - top load-bearing strap is made of high-density memory foam, providing a better fit to the contours of the head and evenly distributing and balancing the pressure from the front and back;
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Ergonomic design - head strap with the battery pack has a comparable weight to Quest 3, achieving improved front-to-back balance and significantly reducing facial pressure, resulting in a more comfortable gaming experience;
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Includes head strap, 2 batteries, charging dock, USB-C(R) charging cable, rear brace, sponge strap, and user manual;