Why smart glasses stretch a normal sourcing workflow
An agent buying sunglasses checks one plant, one material set and one optical standard. A smart glasses order crosses three supply chains: temple electronics from Shenzhen, where acoustics, PCBA and cells come together; frames from the Shenzhen Henggang or Wenzhou Ouhai eyewear clusters; and lenses from Danyang or Xiamen. Local reporting puts Henggang at around 1,200 eyewear companies and Danyang at more than 400 million pairs of lenses a year, so the choice of partner matters more than finding one. On top of that, the order carries radio certification, a lithium battery and, for some lines, app and firmware questions. The pain points agents report are the same each time: which plant actually does what, whether the documents are real and cover the model, and how to consolidate several suppliers into one clean load.
How the desk works with agents
The desk does not replace the agent's client relationship. It supplies category-specific work the agent can put its own name on, per agreement:
- Shortlisting partner plants per line, with notes on which steps are in-house and which are subcontracted.
- Plant audits across the electronics, frame and lens stages, following the factory audit scope.
- Document verification: matching FCC grants, CE test reports, Bluetooth SIG listings and UN 38.3 summaries to the exact model and revision.
- Sample coordination and golden sample records.
- Pre-shipment inspection and consolidation of several suppliers into one load.
All lines are in scope, from audio glasses to camera and kids models.
Order routes and quantities
Agents usually pass through the client's route. Catalog models typically start at 50-500 pairs per model, logo programs at 500-1,000 and full custom from 3,000 pairs per model; accessories at 500-1,000 pieces and the kids line from 1,000 pairs. Samples typically take 5-10 working days for catalog, 10-15 with logo and 30-60 days for engineering samples. All figures are typical reference ranges confirmed in writing per program; the table is on MOQ and lead time. When a client brief mixes routes, for example a catalog audio model and a logo sports model, the desk quotes each line separately so that minimums and timing stay transparent to the end client.
Document pack checklist
The desk prepares an indexed pack per model so the agent can hand it to the client in one piece:
| Document | What is verified | Common problem found |
|---|---|---|
| FCC Part 15.247 grant and Subpart B report | Grantee, FCC ID, model list, label text | Model number on label differs from the grant |
| CE RED test reports | EN 300 328, EN 301 489, EN 62368-1, EN 18031 present and dated | Older report without EN 18031 cybersecurity |
| Bluetooth SIG | Declaration ID covers the product | Listing only for the module, not the end product |
| Battery | UN 38.3 summary, IEC 62133-2, safety data sheet match the cell and Wh | Summary for a different cell supplier |
| Optics | ISO 12312-1 or ANSI Z80.3, 21 CFR 801.410 drop-ball | Report for a different lens category |
| Materials and kids | RoHS, REACH SVHC; CPSIA and CPC for kids models | No CPC for a kids model sold in the US |
Certificates are held by partner plants or test labs and verified per project; scope questions go to the client's test lab or counsel. The checklist is expanded in smart glasses certifications checklist.
Inspection and consolidation
- Incoming check on temple modules and fronts before assembly where the program allows.
- In-line check at assembly: hinge flex routing, charging contact alignment, speaker seal.
- Pre-shipment inspection against the golden sample: pairing, runtime spot check, hinge cycling sample, splash to the stated IP rating, cosmetics, label and FCC ID match.
- Consolidation of several suppliers into FCL or LCL, with lithium battery marks and a declaration for air legs under UN3481 and PI 967 Section II.
The inspection scope is explained in smart glasses pre-shipment inspection.
Illustrative case: one load from three suppliers
This is an illustrative, anonymous example. A sourcing agent serving a European retailer needed audio glasses, a sports model and replacement lenses from three different suppliers. The desk audited the two assembling plants and the lens supplier, found that one plant's CE file predated EN 18031 and arranged the missing cybersecurity assessment before shipment, then consolidated all three into one LCL load with a single indexed document pack. The agent presented the pack to its client under its own cover. To bring the desk into a project, use the quote form.