Private-label smart wearables, built end to end.
Star King is a full-stack OEM/ODM manufacturer of smart rings, watches, bands and AI hardware. From product model recommendation and customization to certification and mass production — we turn your brand into shippable hardware.
- ISO 9001 / 13485
- CE · FCC · RoHS
- MOQ from 500 units
Trusted by global B2B buyers in 40+ countries
One partner for the whole hardware journey
We compress the path from idea to retail-ready product — so you launch faster, with less risk and a lower landed cost.
One-stop production
Industrial design, PCBA, firmware, app, tooling, assembly and QC under one roof — no juggling vendors.
True private label
Your brand, logo, colorway, packaging and app. We stay invisible; your customers see only you.
Certified & compliant
In-house testing plus CE, FCC, RoHS, BQB and medical-grade pathways managed for global markets.
Explore our capabilities
Smart Rings
Biometric rings with HR, HRV, SpO₂, temperature and sleep.
ExploreSmart Watches
AMOLED watches with health, fitness and notifications.
ExploreAI Hardware
AI glasses, translators and voice devices for productivity.
ExploreOEM / ODM
Full private-label programs from sample to mass production.
ExploreR&D Capability
86 engineers across ID, hardware, firmware and algorithms.
ExploreExport Coordination
Logistics, documentation and after-sales for 40+ markets.
ExploreFrom brief to bulk in five clear stages
Discovery & model recommendation
Tell us your market, budget and features. We recommend the right product model and quote a transparent BOM.
Customization & sampling
Hardware, firmware, app, colorway and packaging are customized, then EVT samples are built for your sign-off.
Testing & certification
Sensor accuracy, battery, waterproofing and durability validated; CE/FCC/RoHS and regional certs handled.
Pilot production
Tooling and a pilot batch confirm yield and quality before committing to volume.
Mass production & export
Automated assembly with 100% functional QC, then global logistics, documentation and after-sales support.
A vertically-integrated wearable factory in Shenzhen
Founded in 2000, Star King designs and manufactures smart wearables for distributors, retailers and private-label brands worldwide. With an 6,000 m² facility and 86 R&D engineers, we own every step from sensor to shelf.
- Smart rings, watches, bands and AI hardware
- OEM build-to-print and turnkey ODM
- Medical-grade quality management
- Dedicated export & after-sales coordination
Brands that shipped with Star King
Star King took us from concept to a CE-certified smart ring on shelves in under five months. Their model recommendation saved us a costly mistake.
Transparent BOM, milestone gates and rock-solid yield. The private-label program let us launch our own brand without a hardware team.
The companion app and SDK saved us a year of development. Export and after-sales support were genuinely turnkey.
Frequently asked questions
ODM turnkey programs start at 500 units; pure OEM build-to-print typically starts at 1,000. We also offer 10–50 unit prototype batches during development.
A turnkey program on a proven platform reaches mass production in about 16 weeks. Fully custom designs run 20–28 weeks depending on certification scope.
Yes — we manage CE, FCC, RoHS, BQB and medical pathways, and coordinate logistics, documentation and after-sales for 40+ markets.
Every engagement starts with a mutual NDA. Your designs, branding and firmware are isolated and never reused. OEM build-to-print designs remain entirely yours.
Ready to build your smart wearable?
Get a tailored OEM/ODM quote within one business day — MOQ, lead time and BOM, no obligation.