KIWI design H4 Boost Comfort Battery Head Strap for Quest 3/3S | Dual Fast Charge in 2.5h, Halo Strap Design, Reduce Facial Pressure, Charge VR Headset and Battery Strap
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Availability:
20 left in stock
Arrives
Sunday, Aug 16
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Features
- Extended Playtime with Enhanced Battery: Enjoy uninterrupted gaming with up to 3 hours of additional battery life; play longer without worrying about running out of power; tailored to your usage scenarios for maximum performance
- Dual Fast Charging; Two Times Faster: Power up both H4 Boost and Quest 3/3S simultaneously with DualBoost Charging system; fully charged in just 2.5 hours; 45W adapter delivers 25W output to Quest 3/3S; reach 65% charge(Both HMD&H4 Boost) in 60 minutes for 2.5 hours of playtime
- Zero Facial Pressure & Custom Fit: Adaptive front headrest design evenly distributes the weight of Quest 3/3S, reducing facial pressure and offering a comfortable fit for extended use, even without the facial interface; elastic side straps, adjustable top strap, and soft rear cushion ensure a secure fit for all head sizes, ideal for gaming, movie-watching, and productivity
- Adjustable FOV & All-Day Ventilation: Damping sider allows front-to-back FOV adjustments, while the headset lever knob provides up-and-down alignment for a clearer experience; innovative ventilation design in the fore cushion keeps the head and face cool during long sessions
- Lie Down Comfortably: Integrated adjustment knob enables effortless fitting; enjoy total comfort while lying down on your couch or bed, making it easy to fully immerse yourself in gaming or movies with the H4 Boost Head Strap on Quest 3/3S
Description
K4 DUO Audio Head Strap K4 Flex Head Strap V4 Facial Interface K4 Boost Battery Strap K4 Comfort Head Strap 16FT Charging Link Cable G4 Pro Controller Grips Proud Partner of Meta’s ‘Made for Meta’ Program. Since 2015, KIWI design has been at the forefront of the VR world. With over 100 patents and a strong product lineup, we proudly collaborate with Meta and engage in the MFM program. Your feedback drives us forward! We specialize in creating electrifying VR accessories that enhance user experiences worldwide, prioritizing top-tier quality and sleek design.
Additional Features: Ventilation Design, DualFast Charging
Connectivity Technology: USB
Compatible Devices: Meta Quest 3/ Quest 3S, Not for Quest 2
Specific Uses For Product: Gaming, Video
Operating System: Meta's Proprietary OS
Field Of View: 52 degrees
Connector Type: USB Type C
Sensor Technology: inside-out tracking
Battery Average Life: 3 hours
Display Maximum Resolution: 1800x1920 per eye
Number of Batteries Required: 1
Platform: Meta Quest
Resolution: 1800x1920 per eye
Display Type: OLED
Battery Capacity: 3 hours
Display Resolution Maximum: 1800x1920 per eye
Brand: KIWI design
Built-In Media: H4 Boost Battery Halo Head Strap
Age Range Description: Teen, Adult
Model Number: QS03B
UPC: 850052498474
Manufacturer: Shenzhen Hongjiantou Technology Co., Ltd.
Unit Count: 1 Count
Mfr Part Number: KWQS03BAU
Item Dimensions D x W x H: 9.45"D x 4.72"W x 8.66"H
Item Weight: 448.8 g
Color: White
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, Aug 16
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
This KIWI design H4 Boost Comfort battery head strap has been a noticeable upgrade for my Meta Quest 3 use. If you’ve ever felt the stock strap get uncomfortable or pulled forward during longer sessions, this accessory tackles that issue head-on and adds real value with the integrated battery. The first thing you feel is the comfort improvement. The halo-style design redistributes weight away from the face and forehead and shifts a lot of it toward the back of your head. That reduces facial pressure in a way that’s immediately noticeable compared to the standard strap. For play sessions longer than 30–45 minutes, that added comfort makes a difference — especially with more active or standing games. Build quality feels solid. The materials don’t feel cheap or rattly, and the padding is thick enough to stay comfortable without being bulky or overly warm. The adjustment mechanisms are intuitive, and once you find a fit that works for you, it stays put. It’s clear this wasn’t just thrown together; the design feels intentional and well executed. The battery integration is another strong point. It adds significant extra playtime — I was able to stretch sessions well past what the Quest 3 alone gives me — and it charges relatively quickly, finishing up in about 2.5 hours as advertised. That’s convenient if you want a near overnight charge cycle without fuss. The dual-fast-charge design helps keep downtime minimal, which is exactly what you want when you’re in the middle of something. Installation was straightforward and didn’t feel like wrestling with parts. You clip the Quest into the strap, adjust, and go. Once it’s on, the headset feels balanced and doesn’t pull forward or dig in, which makes a surprisingly big difference in comfort and immersion. I also like that it doesn’t interfere with the headset’s fit or sensors, so everything works just as it should. One thing to note is that this is specifically designed for Quest 3/3S. It’s not compatible with Quest 2, so make sure you’re pairing it with the right headset. Overall, this strap delivers exactly what most people are looking for when they want more comfort and battery life from a VR headset. It’s comfortable, well made, and adds genuine usability to longer sessions. If you use your Quest regularly and want a better fit plus extra playtime, this is an easy five-star accessory.
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Reviewed in the United States on December 15, 2025 by The country charm
Really good quality looks good and is super comfortable battery lasts long and it’s super adjustable
Reviewed in the United States on June 27, 2026 by Paydin Cooper
First off, I will say that no matter what head strap you get, you will have some pressure on your head. The choice is, however, whether you want that pressure mostly on your face (K4) or mostly on your forehead and a little bit on your face (H4)? Personally, I prefer the pressure on my forehead as it is more tolerable for me. That is why I prefer the H4, and returning the K4. With the H4, I feel that I have more adjustment options. Many reviewers stated that the H4 is too loose, especially when compared to the K4, however, I feel that the H4 was plenty stable. Additionally, you can configure this headset to press against your face as well, to give you that K4 feel if you enjoy those super intensive and workout apps. However, for all games I played (shooters mostly) I was able to adjust the H4 with minimal pressure on my face and still able to react quickly and look around quickly in the game without feeling the headset was loose. With the K4 that I used exclusively for about a week, I would get painful pressure on my cheeks within about 20-30 minutes. This also affected my ability to close one eye when aiming snipers and would fatigue my face rather quickly. This happened even when I tried to put as much pressure as possible on the top strap of the K4 to shoulder as much of the load as possible. I do appreciate though that the K4 has a more "integrated" charging cable, where the H4 cable pretty much just goes from the battery pack to the Quest externally. But this is such a minor detail that has no affect when the headset is on. Another win for the H4 is that you are able flip up the headset without any adjustments and see your surroundings when in a game, something that you cannot do in the K4 as the pressure on your face is what keeps the Quest on. The battery seems to be the same on both, and adds about 2-3 more hours to the headset for a total of about 4-5 hours. Another positive (for both the H4 and K4) is that the charging input is at the back and bottom of the head strap making it easier to enjoy the Quest 3 while charging, as opposed to coming out the side of the Quest 3. Ultimately, I personally feel the halo style head strap is much more comfortable, allowing for longer play sessions without much discomfort.
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Reviewed in the United States on December 21, 2024 by Chris Bright
Solid Upgrade — Lightweight, Comfortable, and Extra Playtime If you’re looking to take your Meta Quest 3 setup to the next level, this headset with a built-in battery is a strong choice. I’ve been using it for a few weeks now, and overall, I’m really happy with it — especially when it comes to comfort, freedom of movement, and cutting the cord (literally). Let’s start with the best part: the built-in battery. Being able to charge the Quest while I play without being tethered to the wall is a total game changer. I used to hate being locked in one spot or worrying about tripping over a cord when things got intense. With this headset, I can move freely, spin around, duck, dodge, whatever the game throws at me — all without dragging a wire behind me. It really does make a big difference in immersion and convenience. The headset itself is surprisingly lightweight. I was worried that the added battery would make it top-heavy or uncomfortable, but it fits well and stays secure. Even during more active games where I’m moving a lot, it doesn’t slip or shift. I forget I even have it on sometimes, which is probably the biggest compliment I can give in terms of comfort. As for the battery life, it’s decent. It’s not as long as I had hoped, which is why I’m giving it four stars instead of five. That said, it still extends my play sessions by a good margin, and just having that buffer between full Quest battery and plugging into a wall makes a noticeable difference. It’s perfect for those longer sessions when you’re right in the middle of a game and don’t want to break the flow. Bottom line: if you’re tired of dealing with cords and want something that adds both comfort and convenience to your VR experience, this headset is worth picking up. The battery might not last forever, but the freedom it gives you while playing is absolutely worth it. I wouldn’t go back to the standard strap after this.
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Reviewed in the United States on August 5, 2025 by Rich Augustus
Reduced eye strain, waaay better battery life for sure. I can play golf+ for more than an hour now, that game drains battery more than any other game I’ve tried. Little extra weight on your head so extended play sessions get tiring. Slightly hotter to wear for long due to the extra pads touching your head but it’s not too bad. Well worth it imo. Takes like 30 mins to get used to the new fit but it’s way more comfortable. Only feels a tad loose when looking straight down, like putting in mini golf for instance. Back of the strap is slightly bulkier so if you use this laying down or against the back of a chair it could get in the way a little.
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Reviewed in the United States on February 24, 2026 by Andrew Ortiz
Massive upgrade over the stock strap. Way more comfortable, especially for longer sessions—takes pressure off your face and balances the headset better. The built-in battery is clutch, and the fast charging actually delivers like it says. Feels sturdy and well-designed, not cheap or flimsy. If you’re serious about VR, this is one of those upgrades you’ll wish you bought sooner.
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Reviewed in the United States on March 22, 2026 by Bust-a-knot charters
This seems like a great device with a built in battery as well. However, right from the start, I'm feeling a lot of pressure on the back of the head near the base where it makes contact. Seems like all pressure from face is transferred there. Hopefully there's an adjustment setting else I won't be able to use this and hopefully can return it. The built in battery is nice for 3+ hours claimed but haven't been able to validate. Also, when you put the unit away, it continues to supply power to the MetaQuest3 which consumes battery and I can see the green light is on on the unit. Maybe an on/off manual switch would have helped better. It seems useful and easily puts on and off and has a few adjustment angles but the pressure issue remains. The strap feels nice and the weight does not seem a lot when I hold it so it is good. However, I'm not yet sold on it. Will update review in case I find a solution. Edit - it has been a year later and I figured out the issue. I just adjusted some knobs and such and the pressure is gone from the back of the head and the pressure really is on the strap along the top of the head so you don't feel it. There's little pressure on the face so it is not like zero pressure but you want that for active sports gaming so your headset does not flop about. I've found the dials and stretchy features really help make this product great so after a year of using it I'm raising it to 5 stars. I did find that the charging can be sometimes ignored by it now after a year of like 4-5 times a week use for about 1h/day use? Maybe battery issue? But seems to charge and supply charge to the Meta Quest 3.
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Reviewed in the United States on June 8, 2025 by Fani
The H4 Boost strap is decent but not the best. My expectations for battery life and charging performance were not met. The Quest 3 often displays a message asking to use the original charger, which suggests the strap doesn't deliver enough power to keep the headset fully charged during use. That was disappointing. In terms of ergonomics, the strap does add some weight. To get a good fit, I sometimes have to tighten it more than I'd like, which shifts the pressure from the face to the forehead. That said, it is more comfortable overall for work or productivity sessions, and the design looks clean and well-built. One positive feature is the charging passthrough, which works very well. However, I would have really appreciated a removable battery system like the one BoboVR offers. I would've return this but I’m now traveling and returning the product isn’t practical. A rather odd issue I've noticed is eye discomfort, particularly in my left eye, when using the facial interface with this strap. I never had that problem with the original strap. Interestingly, removing the facial interface makes the discomfort go away. I'm still trying to figure out the cause. Despite its flaws, I do recommend the H4 Boost if you're looking for a more ergonomic strap at a fair price. It’s not perfect, but it's a decent upgrade over the original, especially for work focused use.
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Reviewed in the United States on November 14, 2025 by Angel Landis