BOBOVR E3 Pro Review for Meta Quest 3/3S

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Welcome to my Ultimate BOBOVR E3 Pro Review. In this article, I share my firsthand experience with the BOBOVR E3 Pro Battery Strap, from unboxing to real-world performance testing. If you're a Meta Quest 3 or Meta Quest 3s user looking to extend your gameplay and enhance your VR/MR experience, read on.

BOBOVR E3

The VR accessory market is always evolving, and choosing the right Meta Quest accessories for your favourite use cases can be challenging. When I saw the BOBOVR E3 Pro Battery Strap for the first time on X, I was intrigued by its status as the first BOBOVR product in the Made for Meta Program, a certification that ensures quality and compatibility.

In this review, I cover everything you need to know about the E3 Pro, from its design and comfort compared to other popular head straps in the BOBOVR range, such as the BOBOVR M3 Pro, to an in-depth look at its unboxing and battery performance. Regardless of the reason you ended up here, this detailed outline of my experience with the E3 Pro should help you decide if this accessory is going to meet your needs.


STICKY NOTE: You'll notice in all of my videos throughout this post that I'm using the E3 Pro with a Meta Quest 3. However, I just wanted to make it abundantly clear before sharing my experience, that the BOBOVR E3 Pro is compatible with both the Meta Quest 3 & Meta Quest 3S. So regardless of which device you have, you can expect all benefits  discuss throughout this post if you decide to choose to purchase an E3 Pro.

BOBOVR E3 Pro vs M3 Pro


When it comes to choosing the right VR accessory, every detail is important. I started this journey off by comparing the BOBOVR E3 Pro with the BOBOVR M3 Pro because I wanted to understand the differences in their designs and why I would even consider switching to the E3 Pro at all considering my experience with the M3 Pro was actually really good and what I have considered to be the best strap I've tried so far. Here is what I discovered during my initial comparison of these 2 Meta Quest head straps.


Key Design Differences


The BOBOVR M3 Pro was my initial go-to accessory due the comfort and support it gave me with the signature halo-style design BOBOVR are known for. Additionally, the extra forehead padding helped distribute the weight evenly, especially with the added weight of the detachable battery, which I noted was quite heavy in full review. However, instantly when looking at the E3 Pro, you'll notice BOBOVR has deviated from their signature halo-style design and added a few unexpected features including:

e3 pro elite clam shell design
  • Clamshell/Elite Design and Display Screen:
    Unlike the M3 Pro’s halo design, the E3 Pro features a sleek clamshell/elite design similar to that of the Kiwi Design K4 Comfort Strap. One thing I will say BOBOVR have done better Kiwi Design though, is they've included kept the full hinge rotation that we got on the M3 Pro. I found the full hinge rotation to be monumental feature in terms of achieving a fully customise fit. BOBOVR have also included a nifty display screen on the E3 Pro, so you can see exactly how much charge you have remaining at any given time.


bobovr e3 pro battery
  • Battery Capacity and Form Factor:
    One of the most significant differences I noticed was the battery size. The M3 Pro uses a 5200 mAh battery, which gave me an extra boost of about 1.5 to 2 hours of gameplay. In contrast, the E3 Pro’s 10,000 mAh battery promised and delivered up to 4 hours of extra playtime. Holding the two batteries side by side, I could immediately sense the difference. The E3 Pro Battery felt heavier, by roughly 15 grams, which is understandable given the increased capacity. Despite this, the strap’s design kept things balanced and comfortable during prolonged sessions.


e3 pro headphone jack
  • Integrated Headphone Jack:
    Another notable feature was the integrated headphone jack on the E3 Pro. For users of the Meta Quest 3s VR Headset, which lacks a built-in headphone jack, this is a game-changer. While I personally do not use cabled headphones at all, I can see how this feature will be invaluable for those who crave a more immersive audio experience without the need for additional adapters or workarounds.

Unboxing the E3 Pro: First Impressions


My excitement grew as soon as I received the E3 Pro, and the unboxing experience confirmed my expectations. The unboxing experience set a premium tone right from the start. The E3 Pro came wrapped in that shiny, eye-catching bubble wrap, different from anything I have seen with other VR accessories.


Inside The Box


  • The Head Strap: The E3 Pro itself, featuring a distinctive click wheel and full-rotation hinges.
  • The Battery: A heavier battery compared to the M3 Pro’s, thanks to its 10,000 mAh capacity.
  • Cable: A USB-C to USB-C cable. Although the extra “dangly” parts could be tidier, they don’t affect performance.
  • Honeycomb Pads: These provide extra comfort and grip, and they’re even useful for users without hair.
  • Instruction Manual: Clear instructions make assembly straightforward, though I prefer products that are intuitive enough to use immediately.

To sum up my first impressions, assembling the E3 Pro was straightforward and intuitive.  The the extra cabling could be neater in comparison with other elite design straps like the Kiwi Design K4 Boost. I also noted that the plastic of the E3 Pro has much smoother matte finish compared to the E3 Pro. Immediately, the general fit of the head strap was great especially with the full rotation hinges.

E3 Pro Battery Testing

Battery life is a key factor for VR users, and the E3 Pro’s promise of up to 4 extra hours needed real-world verification. I began with a fully charged Meta Quest 3, attached the E3 Pro battery, and then conducted a series of timed sessions—a method that reflects how most users will experience the product.

  • Session One: I started with routine tasks like updating apps and installing new ones (extras from AMVR). After about 33 minutes and 35 seconds, the battery dropped from 100% to 86%.

    • Session Two: I played a mix of games such as Beat Saber, Superhot VR, and explored Horizon Worlds to simulate varied usage.

    • Multiple Sessions: Instead of running one continuous session, I broke the test into four sessions, carefully recording the battery percentage changes.

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