Wearable Index
Halliday · Glasses

G2

Shipping

The Halliday G2 is a pair of smart glasses, shipping since 2026. Camera-free meeting glasses with dual 600×300 micro-LED waveguides, a 12-hour battery, live captions and AI summaries; batch-two non-prescription orders ship within three business days.

Compare this device
Halliday G2 — glasses worn on the face
Image sourceHalliday

Generations

GenerationYearStatusPriceWeight
G2 2026 Shipping $549 launch / $599 regular 49 g
Glasses 2026 Shipping $399 28.5 g without lenses

Specifications by generation

Halliday G2
Image sourceHalliday

G2

2026Shipping

Camera-free meeting glasses with dual 600×300 micro-LED waveguides, a 12-hour battery, live captions and AI summaries; batch-two non-prescription orders ship within three business days.

Category
Glasses
Worn
Face
Release
2026
Price
$549 launch / $599 regular
Weight
49 g
Sensors & hardware
  • Display Waveguide optics (binocular 600×300)
  • Audio Microphone (4-mic array)Speakers (open-ear)
  • Input Touch / tap input
  • Privacy No camera

Developer access

  • G2 developer API unavailable

    The October 26 FAQ explicitly says G2 does not support developer APIs or third-party development. Future possibilities are exploratory, with no promised release date.

App distribution
absent

G2 currently does not support third-party development or external AI agents/models.

Openness

  1. hardwareNot verified
  2. firmwareNot verified
  3. companion appsclosed/proprietary
  4. SDKNot verified
  5. backend servicesclosed/proprietary

Not yet verified: documentation and vendor-server requirements.

Openness, servers & distribution
hardware

Schematics, mechanical designs and firmware publication were not verified.

firmware

Source availability and licensing were not established in this review.

companion apps

The Halliday App is supplied under a limited personal license; the service terms restrict modification, reverse engineering and redistribution. No companion-app source license was established.

SDK

Source availability and licensing were not established in this review.

backend services

Online services are licensed proprietary services; published server source and self-hosting were not established.

Direct / local access

Bluetooth 5.4 phone pairing; Wi-Fi is used for OTA updates, not direct network access. No local developer API is supported.

Own backend

G2 does not support external agents or AI models.

Vendor servers

G2 uses a separate app/system; data, settings and AI credits do not migrate from DigiWindow. Vendor audio/model routing remains unverified.

Distribution notes

This G2-specific restriction does not establish DigiWindow generation access.

Halliday Glasses
Image sourceHalliday

Glasses

2026Shipping

28.5g 'proactive AI' glasses whose DigiWindow micro-projector beams an invisible display into the top of your vision, controlled by a ring.

Category
Glasses
Worn
Face
Release
2026
Price
$399
Weight
28.5 g without lenses
Sensors & hardware
  • Display Projector (DigiWindow)
  • Audio MicrophoneSpeakers
  • Input Companion ring control

Developer access

  • SDK / APINot verified

    The reviewed public product material does not establish developer access. Unknown does not mean unavailable.

Openness

  1. hardwareNot verified
  2. firmwareNot verified
  3. companion appsclosed/proprietary
  4. SDKNot verified
  5. backend servicesclosed/proprietary

Not yet verified: documentation, app distribution and vendor-server requirements.

Openness, servers & distribution
hardware

Schematics, mechanical designs and firmware publication were not verified.

firmware

Source availability and licensing were not established in this review.

companion apps

The Halliday App is supplied under a limited personal license; the service terms restrict modification, reverse engineering and redistribution. No companion-app source license was established.

SDK

Source availability and licensing were not established in this review.

backend services

Online services are licensed proprietary services; published server source and self-hosting were not established.

Direct / local access

Unknown; Bluetooth connectivity alone does not establish a local developer API.

Vendor servers

Halliday terms distinguish the mobile app and online services from the store. The store privacy policy does not establish smart-glasses audio routing or offline operation.

App distribution

Third-party app distribution was not verified.

A companion app or integration is not evidence of a third-party app store.

Company & funding

HALLIDAY GLOBAL LIMITED / HALLIDAY HOLDINGS PTE. LTD.

Rewards crowdfunding disclosed; equity and debt financing remain unknown.

Disclosed funding
USD 3.31Msum of known rounds · as of 2025-03-08

Halliday Kickstarter gross rewards pledges, January 22–March 8, 2025 only; not net receipts, equity, or lifetime company funding. 8,023 backers on the creator campaign page. Other campaigns and corporate financing are excluded; the legal recipient was not established.

Latest disclosed valuation
Not disclosed

Valuation was not disclosed in the reviewed evidence.

Disclosed rounds
1known minimum

Among makers in the index

Disclosed funding of the 32 makers in the index that publish a total, on a log scale in USD. Other currencies are placed at approximate rates; totals differ in date and coverage. Halliday sits above 5 of the other 31.

Rounds

  1. 2025-03-08

    Halliday glasses KickstarterUSD 3.31M

    Rewards crowdfunding

    Not equity, valuation, net receipts or proof of delivery.

    Valuation not disclosed

    Valuation was not disclosed in the reviewed evidence.

Company

Terms identify Hong Kong HALLIDAY GLOBAL LIMITED for product sales/store and HALLIDAY HOLDINGS PTE. LTD. for app/online services. Parent/control and the Kickstarter recipient relationship remain unknown.

Not yet verified: named investors.

Compare

hallidayglobal.com All 124 devices

Independent index — figures are approximate and editorial, not official spec sheets. Methodology. Last reviewed 2026-10-31.