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About Eternity

Custom wearable manufacturing, built around your brand

Founded in 2016, Guangdong Eternity Electronics specializes in the R&D and manufacturing of custom fitness trackers and smart wearables for global brands. We support OEM/ODM projects with flexible customization in branding, firmware, UI, app integration, and production. At Eternity, we believe sourcing wearable devices shouldn’t feel like gambling — that’s why we focus on reliable quality, practical costs, and responsive support to help our partners bring better products to market.

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Why Global Brands Work With Eternity

Since 2016, we’ve helped global partners develop custom fitness trackers and smart wearables with reliable quality, flexible customization, and scalable manufacturing support.

End-to-End Development

From initial concepts and sketches to mass production, we help turn wearable ideas into market-ready products with practical, hands-on support.

Flexible Customization

Customize branding, firmware, UI, app integration, case, straps, display, and health features to match your product vision and market needs.

Reliable Quality

We focus on dependable sensors, strict quality control, and durable waterproof designs to deliver products your customers can trust.

Efficient Manufacturing

Our production process is designed to balance quality, speed, and cost — helping brands scale with confidence and less risk.

How We Support Your Business

From consultation to delivery, we help partners reduce risk and move projects forward with confidence.

Pre-Sales Guidance

Expert consultation to help define the right product specifications and features for your market.

Flexible Order Planning

Flexible MOQ and production planning designed to fit your launch stage and growth needs.

Product Customization

Full OEM/ODM support including hardware customization, firmware development, UI options, and branding.

Supply Chain Support

Reliable sourcing, logistics coordination, and production planning to support on-time delivery.

Quality Assurance

Multi-stage inspection process from components to finished products, ensuring consistent quality standards.

Certification Support

Support with CE, FCC, RoHS, and other compliance requirements for your target markets.

Technical Support

Ongoing technical support including firmware updates, SDK documentation, and integration assistance.

Cost Optimization

Strategic sourcing and production planning to balance cost, quality, and long-term value.

Featured Models for OEM/ODM Projects

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Selected fitness tracker models designed for customization, branding, and OEM/ODM development.

ETERNITY No Screen Fitness Tracker Band with Heart Rate & Sleep Tracking | ETQ01

$12.99

ETERNITY Women’s No Screen Fitness Tracker Bracelet with Heart Rate Monitoring | ETQ02

$17.99

ETERNITY Elegant Women’s No Screen Fitness Tracker Bracelet with Sleep Tracking | ETQ03

$17.99

ETERNITY Aromatherapy Fitness Tracker Bracelet with Mosquito Repellent | ETQ04

$17.99

ETERNITY Smart Jewelry Fitness Tracker Bracelet with 170 Sport Modes | ETQ06

$18.99

ETERNITY No Screen Fitness Tracker with Nylon Band & Sleep Tracking | ETQ07

$14.99

ETERNITY Screenless Fitness Tracker with SpO₂ & Sleep Monitoring | ETQ08

$15.99

ETERNITY Slim No Screen Fitness Tracker Band, 1ATM Waterproof | ETQ05

$12.99

ETERNITY Screenless Fitness Tracker Bracelet with 170 Sport Modes | ETQ09

$19.99

ETERNITY Advanced Fitness Tracker Band with HRV & AI Health Report | ETQ10

$14.99

Ready to Build Your Next Fitness Tracker Project?

Tell us your quantity, target market, and customization needs. From logo and packaging to UI, app, and design-based development, we support fitness tracker projects from 500 pcs.

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FAQ

Can the fitness tracker be customized?

Yes, the fitness tracker can be customized. We support OEM/ODM services including logo customization, packaging, manuals, straps, and display logo options, depending on the model.

Can you customize the logo and packaging?

Yes, we can customize the logo and packaging. Please provide your artwork files in formats such as AI, CDR, or other editable design formats. MOQ depends on the product and customization scope.

What is your MOQ?

MOQ depends on the product and customization requirements. Sample orders are available before bulk production.

What is the lead time?

Lead time depends on the product model, order quantity, and customization requirements. Sample preparation usually takes a few working days, while bulk production lead time varies by project.

Do you offer certifications for the European market?

Yes, many of our products can support CE, FCC, and RoHS compliance, depending on the model and target market requirements.

Can you provide SDK/API files?

Yes, we can provide SDK/API support for selected projects depending on the product and cooperation requirements.

Can you provide samples before bulk production?

Yes, sample support is available. Sample policy depends on the product and project requirements, and in some cases the sample fee can be refunded after a confirmed bulk order.