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BOBOVR M3 Pro review: an older Quest 3 battery-strap option

What the BOBOVR M3 Pro adds to Quest 3 and 3S, including its 5,200 mAh hot-swappable battery, halo fit, 12 W output, and upgrade limits.

The BOBOVR M3 Pro is a halo-style head strap for Meta Quest 3 and Quest 3S with a removable B2 battery. It can redistribute headset load and extend a session, but it belongs to BOBOVR’s older 12 W B2 battery ecosystem. Buyers comparing it with newer B100-based straps should understand that difference first.

BOBOVR M3 Pro halo head strap with magnetic B2 battery

Halo battery strap

BOBOVR M3 Pro

Quest 3/3S compatibility; included 5,200 mAh, 12 W B2 battery.

Check current listing

Who should buy it?

Good fit

  • Quest 3 or 3S owners who prefer halo support
  • People already invested in BOBOVR B2 batteries
  • Households that value removable battery swapping

Who should skip it

  • New buyers who want BOBOVR's B100 platform
  • Players who prefer elite-style clamping support
  • Anyone expecting guaranteed comfort or runtime

Verified specifications

Item Manufacturer documentation
Compatibility Meta Quest 3 and Quest 3S
Style Halo-style
Included battery B2, 5,200 mAh
Output 12 W
Mounting Magnetic, removable
Complete weight 430 g
Added runtime About 1.5–2 hours; BOBOVR estimate, usage dependent

Fit and battery behavior

A halo strap carries more load across the forehead and rear support. Some people prefer that distribution; others find an elite-style strap more stable during quick movement. Face shape, hair, and facial interface affect the result, so comfort is not universal.

BOBOVR’s runtime figure is an estimate. Mixed reality, brightness, refresh rate, applications, charge level, and battery age all matter. The B2 can be exchanged without removing the strap, but it is not interchangeable with BOBOVR’s newer B100 platform.

Setup and accessory considerations

Install both arms fully, align the rear and forehead supports, then tighten gradually. Keep the USB-C lead free of tension. The rear battery can counterbalance the headset, but total system weight increases.

Cases and facial interfaces are not universally compatible with halo straps. Check our carrying-case comparison and VR accessories hub before assuming fit.

Pros, cons, and alternatives

Pros

  • Hot-swappable magnetic battery
  • Halo design reduces reliance on facial pressure
  • Quest 3 and 3S compatibility

Cons

  • Older B2 battery system
  • Adds weight
  • Runtime is only an estimate

BOBOVR’s newer S3 Pro uses the B100 platform; see our S3 Pro review. The KIWI K4 is lighter and battery-free.

Bottom line

The M3 Pro is an established B2-system halo strap, not automatically BOBOVR’s best current choice. Verify the package and included battery on the current listing.

Sources checked

Disclosure: Ready Player Won may earn a commission from qualifying purchases made through affiliate links. This assessment relies on manufacturer documentation and does not claim hands-on testing.