Benchmark // 3
Compare devices
Channels
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Varjo XR-4
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Meta Neural Band (sEMG wristband)
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Emteq OCOsense
Resolution bits
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Varjo XR-4
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Meta Neural Band (sEMG wristband)
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Emteq OCOsense
Price (USD)
0$
Varjo XR-4
Lowest price
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Meta Neural Band (sEMG wristband)
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Emteq OCOsense
Varjo XR-4
Varjo
shipping
- Sensors
- eye-trackingpupillometryIMU
- XR platforms
- standaloneVarjo
- Sampling rate
- 200 (eye tracking) Hz
- Wireless
- tethered (DisplayPort/USB-C)
- SDK
- Varjo SDK; OpenXR; eye-tracking API
- Raw data access
- eye/gaze data via SDK
- Subscription required
- Yessome enterprise features need a Varjo subscription
- Best for
- high-fidelity MR, the hardware base Galea builds on, gaze research
- Limitations
- no neural sensing itself; tethered; enterprise pricing
Meta Neural Band (sEMG wristband)
Meta (Reality Labs)
shipping
- Sensors
- EMGIMU
- XR platforms
- standalone
- Sampling rate
- —
- Wireless
- BLE
- SDK
- not public
- Raw data access
- no public raw access
- Subscription required
- No
- Best for
- hands-free typing/pointing in AR via wrist EMG
- Limitations
- not a brain interface; closed ecosystem; no researcher access
Emteq OCOsense
Emteq Labs
shipping
- Sensors
- face-EMGPPGIMU
- XR platforms
- standaloneMeta Quest
- Sampling rate
- —
- Wireless
- BLE
- SDK
- Emteq SDK (expression, valence/arousal, activity)
- Raw data access
- sensor + affect metrics via SDK
- Subscription required
- Yesanalytics platform is subscription-based
- Best for
- real-time facial expression + emotion in VR, wellbeing research
- Limitations
- no EEG; measures expression not brain activity; enterprise-only