K4 Boost Battery Strap for Quest 3/3S
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- for Quest 3/3S
- Extended Play: Keep the MR sessions going with 3 extra hours of battery life. Optimized for peak performance based on your gaming needs.
- Dual Fast Charging, Twice the Speed: Simultaneously charge the K4 Boost and your Quest 3S/3 with the DualBoost Power system. Fully recharge both in just 2.5 hours with a 45W adapter, delivering 25W power to your Quest 3S/3 while charging the internal battery.
- Comfort and Balance: Ergonomically designed rear headrest with thickened padding reduces facial pressure, while enhanced counterweight eases strain on your head and neck.
- Safe and Reliable: The premium-certified batteries and system come with multiple layers of protection, including essential UL, EN, and FCC certifications. Every material is rigorously tested in TUV labs for safety and durability.
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Easy Wear and Quick Adjustment: The 52° damping hinge allows easy on and off, while the quick adjustment knob ensures a perfect fit.
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Compatibility |
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Product highlights |
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Weight |
358 g
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446 g
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234 g
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Hidden knob for laying down |
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Battery Capacity |
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Additional Battery Life |
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Charging Power |
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Dual charge HMD and Strap |
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Primary weight-bearing area |
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Cooling Pad |
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FAQ
If you have any other questions, feel free to contact our customer service team. We will do our best to assist you!
What’s the difference between the Halo(H4/H4 Boost) and Elite (K4/K4 Boost) head straps?
Halo Head Strap(H4/H4 Boost): Offers zero pressure on the face, focusing on comfort with light pressure on the forehead. It’s perfect for casual or moderate gaming and entertainment, though it may experience slight movement during more intense sessions.Elite Head Strap(K4/K4 Boost): Provides a bit more pressure on the face but offers greater stability, making it ideal for high-intensity games with more motion. It stays secure during active use, enhancing immersion.Both head straps are comfortable and lightweight, designed to enhance overall comfort and increase the VR/MR session. The choice between the Halo and Elite comes down to personal preference based on your specific needs.
How long will it take to get my orders?
It depends on where you are. Orders processed here will take 5-15 business days to arrive. Delivery details will be provided in your confirmation email.
Do your products come with a warranty?
All of our products come with a limited warranty. Please refer to the warranty policy for each product for specific terms and duration. If you encounter any product quality issues, please contact our customer support team.
Customer Reviews
Comfortable as always, but the battery pack drains quickly when not in use. I fully charged both headset and battery strap, then a few days later went to play again and the battery strap was dead. The headset was not on and draining power. Seems like dead weight if it won't hold it's charge for long.
The product is awesome, gives extra comfort with additional 2 to 2.5hrs game time. Easy to install and o love it.
Kiwi continues to impress! My quest 3 went from painful within 10 minutes, to comfortable as long as I want to play. This is my family's third kiwi product and I will continue to recommend them highly!
K4 Boost Battery Strap for Quest 3/3S
I have to tell you that Kiwi has such a great fitting straps for the quest two and the quest three. The adjustable dial on the back, makes it absolutely the best thing ever. And don’t get me started on how great day hand grips are on both the quest two and the quest three love all the kiwi designs.
Reviews in Other Languages
Easy to put together, very comfortable and a good counter balance to the Quest's forward weight. Love it!
Like it was designed by Meta! Comfortable and excellent battery life.
I have used the old Kiwi Headstrap with my Quest 2 for two years.
So this time, for the Quest 3, I ordered the K4 Boost Battery Headstrap, and it's even better.
The comfort level and battery are perfect, and the hidden control at the back looks neat and convenient.
If you do not already have a 45W charger, you must buy one to make the best use of the battery head strap.
