Sonicgrace S3 duo S3 Duo Magnetic-Battery Comfort Head Strap with Charging System
• 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;• 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;• 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;• 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;• 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;• Includes head strap, 2 batteries, charging dock, USB-C(R) charging cable, rear brace, sponge strap, and user manual;