Smart Ring Manufacturer (OEM/ODM)

Smart Rings

Private-label smart rings, engineered to wear 24/7

Medical-grade biometric sensing miniaturized into a titanium band thinner than a wedding ring — fully customizable as your brand.

Star King private-label smart ring
Smart Rings

A lab of biometrics on the finger

Our NR-series reference platform packs a clean, continuous signal chain into a 6–8 mm band — ready to relabel, recolor and ship under your brand.

  • Green/IR PPG for HR & HRV
  • Red+IR SpO₂ with ±2% accuracy
  • Skin temperature ±0.05 °C
  • Sleep staging & activity
  • BLE 5.3, 7-day offline memory
Smart ring sensor detail
Highlights

What makes the smart ring stand out

Cardiac suite

Continuous heart rate, HRV and resting trends with validated algorithms.

Sleep & recovery

Four-stage sleep, readiness and recovery scoring out of the box.

Premium finishes

Titanium silver, obsidian, champagne gold and rose — PVD-coated.

Reference spec

Smart Ring reference platform

Indicative specifications of our proven platform — every parameter is customizable to your requirements and target cost.

Band width
6.0–8.0 mm
Weight
2.4–4.0 g
Water resistance
10 ATM / IP68
Battery life
5–8 days
Charging
Inductive · 60 min
Sizing
US 5–13
Connectivity
BLE 5.3
Smart ring flexible PCB and sensor stack
Start your project

Ready to build your smart wearable?

Get a tailored OEM/ODM quote within one business day — MOQ, lead time and BOM, no obligation.