FAQ

Yes, we offer both OEM (Original Equipment Manufacturer) and ODM (Original Design Manufacturer) services.
As a leading smart wearable manufacturer, Eternity specializes in providing custom smartwatch and fitness tracker solutions for global B2B clients. Whether you want to create your own branded smartwatch, or need a fully customized wearable design, we provide end-to-end service — from concept to mass production.

Our OEM service allows you to customize our existing smartwatch or fitness tracker models with your brand logo, packaging, firmware, or color options — ideal for fast market entry.

Our ODM service is a complete product development solution, where we design and build a new wearable device from scratch based on your specifications. This includes industrial design, software development, hardware engineering, and app integration.

Absolutely. We provide full appearance customization options for all smart wearable products. You can choose your preferred color, strap style and material, screen shape, housing design, logo placement, and even packaging theme.
Our design team will help you create a product that aligns with your brand identity and target market.

Ready to Build Your Own Smart Wearable Brand?
Contact our OEM/ODM team today at Eternity@fitnesstrackerchina.com or Whatsapp: +86 18129598473 to discuss your next project.

Yes, our engineering team can fully customize firmware according to your project requirements. We can add, remove, or modify features such as heart rate, SpO₂, blood pressure, GPS, NFC, or sports modes.
Firmware customization helps tailor the product to your target market’s specific needs — whether it’s for fitness, health monitoring, or outdoor use.

Ready to Build Your Own Smart Wearable Brand?
Contact our OEM/ODM team today at Eternity@fitnesstrackerchina.com or Whatsapp: +86 18129598473 to discuss your next project.

Yes. We offer custom packaging and gift box design services to help your brand stand out. You can choose from different materials, colors, printing techniques, and finishes.
Our design team will create packaging that complements your product and brand, ensuring a professional and consistent presentation for your customers.

Ready to Build Your Own Smart Wearable Brand?
Contact our OEM/ODM team today at Eternity@fitnesstrackerchina.com or Whatsapp: +86 18129598473 to discuss your next project.

Of course. We can print or engrave your company logo on the device body, back case, or strap. For software, our developers can integrate your logo and brand colors into the watch interface, companion app, and firmware UI, ensuring a consistent and branded user experience.

Ready to Build Your Own Smart Wearable Brand?
Contact our OEM/ODM team today at Eternity@fitnesstrackerchina.com or Whatsapp: +86 18129598473 to discuss your next project.

Yes, we provide custom watch face and user interface (UI) design services. You can create unique digital dials, icons, themes, and layouts that reflect your brand’s identity.
Our design team ensures that every interface is intuitive, visually appealing, and optimized for your product’s screen type.

Ready to Build Your Own Smart Wearable Brand?
Contact our OEM/ODM team today at Eternity@fitnesstrackerchina.com or Whatsapp: +86 18129598473 to discuss your next project.

Yes, all our devices support multi-language firmware for global markets. We can pre-install or customize languages based on your target regions — including English, Spanish, French, German, Arabic, Russian, Hindi, Japanese, and more.
This ensures a smooth and localized experience for your end users.

Ready to Build Your Own Smart Wearable Brand?
Contact our OEM/ODM team today at Eternity@fitnesstrackerchina.com or Whatsapp: +86 18129598473 to discuss your next project.

Our custom product development process follows several clear stages:

1. Requirement Consultation – Understanding your project needs, target market, and features.

2. Product Design – Industrial design, ID modeling, and hardware planning.

3. Prototype Development – Building and testing a working sample.

4. Firmware & App Integration – Software customization and performance optimization.

5. Mass Production & Quality Control – Scaling to volume production under strict QC standards.

6. Logistics & Delivery – On-time shipment with full after-sales support.

This structured process ensures efficiency, transparency, and top product quality for every OEM/ODM project.

Ready to Build Your Own Smart Wearable Brand?
Contact our OEM/ODM team today at Eternity@fitnesstrackerchina.com or Whatsapp: +86 18129598473 to discuss your next project.

Yes. We support custom algorithm and third-party software integration through SDK or API access.
Our technical team can help integrate your proprietary health algorithms, fitness data systems, or app features into our hardware platform, ensuring compatibility and reliable data transfer.

Ready to Build Your Own Smart Wearable Brand?
Contact our OEM/ODM team today at Eternity@fitnesstrackerchina.com or Whatsapp: +86 18129598473 to discuss your next project.

Yes, we provide a complete Software Development Kit (SDK) and Application Programming Interface (API) for clients who want to integrate our smart wearable devices into their own applications or cloud platforms.
Our SDK allows developers to collect, analyze, and synchronize health and fitness data such as steps, heart rate, sleep, SpO₂, and more.

Ready to Build Your Own Smart Wearable Brand?
Contact our OEM/ODM team today at Eternity@fitnesstrackerchina.com or Whatsapp: +86 18129598473 to discuss your next project.

Yes, you can. We fully support custom app integration through our SDK or API. If you already have your own mobile app, our technical team will help you connect your app to our hardware for seamless data exchange, device pairing, and real-time health monitoring.

Ready to Build Your Own Smart Wearable Brand?
Contact our OEM/ODM team today at Eternity@fitnesstrackerchina.com or Whatsapp: +86 18129598473 to discuss your next project.

Yes, our SDK supports both Android and iOS platforms, ensuring compatibility with most modern smartphones and tablets.
The SDK provides clear documentation and sample code for developers to quickly integrate our fitness trackers, smartwatches, and smart rings into their existing apps or systems.

Ready to Build Your Own Smart Wearable Brand?
Contact our OEM/ODM team today at Eternity@fitnesstrackerchina.com or Whatsapp: +86 18129598473 to discuss your next project.

Yes, we offer white-label app services for clients who prefer to use our existing mobile applications under their own brand.
You can customize the app name, logo, splash screen, theme color, and interface language, making it a seamless part of your branded ecosystem — without starting from scratch.

Ready to Build Your Own Smart Wearable Brand?
Contact our OEM/ODM team today at Eternity@fitnesstrackerchina.com or Whatsapp: +86 18129598473 to discuss your next project.

Our Minimum Order Quantity (MOQ) depends on the product model and customization requirements.
For standard models without customization, the MOQ usually starts from 500-1000 units per model.
For OEM/ODM projects that involve custom logo, packaging, firmware, or full ID/MD design, the MOQ typically ranges from 5,000 to 10,000 units, depending on the level of customization and materials required.

We also support small trial orders for clients who wish to test market feedback before moving into mass production.

Ready to place your first order?
Contact our sales team at Eternity@fitnesstrackerchina.com or Whatsapp: +86 18129598473 to request samples or discuss your custom MOQ and packaging options.

Yes, absolutely. We encourage all clients to order samples first to evaluate quality, performance, and design before confirming mass production.
Our sample order service allows you to test both the hardware and software functions, ensuring the product fully meets your market and customer needs.

Ready to place your first order?
Contact our sales team at Eternity@fitnesstrackerchina.com or Whatsapp: +86 18129598473 to request samples or discuss your custom MOQ and packaging options.

Sample preparation typically takes 5–10 working days, depending on stock availability and customization level.
For standard models, samples can often be shipped within a few days.
For customized samples with specific logo, color, or packaging requirements, we may need extra time to finalize details and conduct quality checks.

Ready to place your first order?
Contact our sales team at Eternity@fitnesstrackerchina.com or Whatsapp: +86 18129598473 to request samples or discuss your custom MOQ and packaging options.

Samples are paid, as they include the cost of the product, testing, and logistics. However, we deduct or refund the sample cost once you confirm a bulk order.
This policy ensures mutual commitment while allowing you to fully evaluate product quality before mass production.

Ready to place your first order?
Contact our sales team at Eternity@fitnesstrackerchina.com or Whatsapp: +86 18129598473 to request samples or discuss your custom MOQ and packaging options.

Yes, we offer sample cost reimbursement once a bulk order is confirmed. The refund is either deducted from the total invoice or credited in the next order, depending on your payment terms.
This helps you reduce initial testing costs and start cooperation with minimal financial risk.

Ready to place your first order?
Contact our sales team at Eternity@fitnesstrackerchina.com or Whatsapp: +86 18129598473 to request samples or discuss your custom MOQ and packaging options.

Our standard production lead time is typically around 10-25 days after sample approval and deposit payment.
Lead time can vary depending on order quantity, customization details, and current production schedule.
We always prioritize on-time delivery and maintain strict production management to ensure consistent quality.

Ready to place your first order?
Contact our sales team at Eternity@fitnesstrackerchina.com or Whatsapp: +86 18129598473 to request samples or discuss your custom MOQ and packaging options.

e provide several packaging options based on your needs:

• Standard retail box with our default design

• Custom-branded packaging for OEM/ODM clients

• Bulk packaging for large-volume or logistics-optimized orders

Our packaging team ensures every unit is safely packed and ready for international shipment, with options for eco-friendly and premium gift box materials.

Ready to place your first order?
Contact our sales team at Eternity@fitnesstrackerchina.com or Whatsapp: +86 18129598473 to request samples or discuss your custom MOQ and packaging options.

You can easily request a quotation in two ways:

1. Submit an inquiry form on our official website: Get a Quote

2. Contact us directly via email or WhatsApp:
   📧 Eternity@fitnesstrackerchina.com
   📱 Whatsapp +86 18129598473

Please include details such as product model, quantity, customization requirements, and destination country. Our sales team will respond within 24 hours with a detailed quotation and estimated lead time.

We accept multiple currencies to support our global clients, including USD, EUR, and CNY.
All prices are quoted in USD by default, but we can issue EUR or RMB invoices upon request

Need a detailed quote or custom project pricing?
Reach us at Eternity@fitnesstrackerchina.com or submit an inquiry here — we’ll get back to you within 48 hours.

We support several secure payment options for international orders, including:

• T/T (Bank Transfer) – commonly used for bulk OEM/ODM orders

• PayPal – for small sample or trial orders

• Alibaba Trade Assurance – for added buyer protection

• Western Union or MoneyGram (optional for specific markets)

Our finance team ensures clear and transparent payment procedures for all transactions.

Need a detailed quote or custom project pricing?
Reach us at Eternity@fitnesstrackerchina.com or submit an inquiry here — we’ll get back to you within 48 hours.

Our quotations are valid for 30 days from the issue date.
Since component prices and exchange rates may fluctuate, we recommend confirming your order within this period to secure the quoted pricing.

Need a detailed quote or custom project pricing?
Reach us at Eternity@fitnesstrackerchina.com or submit an inquiry here — we’ll get back to you within 48 hours.

For new clients, we operate on a prepayment basis — usually 30% deposit before production and 70% balance before shipment.
For long-term partners or distributors with established cooperation, we can discuss credit terms or flexible payment arrangements.

Need a detailed quote or custom project pricing?
Reach us at Eternity@fitnesstrackerchina.com or submit an inquiry here — we’ll get back to you within 48 hours.

We provide flexible international shipping options to meet the needs of clients worldwide.

• Air Freight: Ideal for samples and small orders that require fast delivery.
• Sea Freight: Best for bulk and large-volume shipments, offering the most cost-effective solution.
• Express Delivery: For urgent or small parcel shipments, we can arrange door-to-door delivery through our express logistics partners.
• Rail Freight: Optional for clients in Europe, Russia, and Central Asia, providing a balance between speed and cost.

The shipping method depends on your order size, destination, and timeline, and we’ll recommend the most suitable option for you.

We cooperate with multiple reliable global logistics partners to ensure safe and efficient international delivery.
For air and express shipments, we work with DHL, FedEx, UPS, TNT, Aramex, SF Express, and EMS.
For sea freight, we collaborate with COSCO, Maersk, MSC, Evergreen, ONE, and CMA CGM.

Please note that shipping costs are borne by the buyer, and we will include estimated freight charges in your quotation based on your order size and destination.

If you already have your own forwarder or shipping agent, we will fully cooperate with them for pickup and export documentation.
If you don’t have a logistics partner, our team can recommend trusted freight agents and help you arrange the most cost-effective solution.

Yes, we can arrange DDP (Delivered Duty Paid) or door-to-door shipping upon request.
However, since DDP involves complex customs procedures and additional costs, we generally do not recommend this method unless required.
If you prefer DDP, we can coordinate with our logistics partners to arrange it and provide an estimated quotation for your review.

Most of our clients choose FOB, CIF, or EXW shipping terms, which offer more flexibility and cost efficiency.

Sample Orders: Usually shipped within 5–10 working days, depending on stock and customization level.

Bulk Orders: Standard production and delivery time is about 25–35 days after deposit payment and sample approval.
Shipping time may vary depending on destination and transportation method (air, sea, or express).

Can you help arrange customs clearance?

Normally, clients handle their own customs clearance using their local shipping agents.
However, if you specifically request DDP (Delivered Duty Paid) service, we can help arrange it through our logistics partners.
Please note that DDP is not our most recommended shipping method, as it involves more complex import procedures and higher costs.
We generally advise using FOB, CIF, or EXW terms, which are more efficient and transparent for most B2B shipments.

Yes, we ship worldwide.
Our logistics network covers North America, Europe, the Middle East, South America, Asia, and Oceania.
No matter where your business is located, we’ll find the best and most reliable shipping solution to ensure your order arrives safely and on time.

You can reach our sales team directly to discuss product inquiries, quotations, OEM/ODM services, or bulk orders:

• Email: Eternity@fitnesstrackerchina.com
• WhatsApp: https://wa.link/ad4dh3

Our team responds promptly to all inquiries and can provide detailed product information, pricing, and support for international B2B clients.

Our office is located in Shenzhen, China (GMT+8), and our regular business hours are:
Monday to Friday, 9:00 AM – 5:00 PM (China Standard Time)

Here’s how this corresponds to some major time zones:

• New York (EST / GMT-4): 9:00 PM – 5:00 AM
• London (GMT / BST): 1:00 AM – 9:00 AM
• Berlin (CET / CEST): 2:00 AM – 10:00 AM
• Sydney (AEDT / GMT+11): 12:00 PM – 8:00 PM

Please note that due to time differences, responses may be slightly delayed outside our office hours.
However, as soon as we start work, we will respond promptly to all messages.

Keywords: business hours China, smartwatch supplier contact time, B2B inquiry response, OEM/ODM support hours.

Yes, we do. We can arrange online meetings via Zoom, Teams, or other platforms with prior booking.
Please contact us to schedule a meeting at a time that works for both parties, considering the time difference.

We respond to all inquiries as soon as our office opens, normally within 48 hours.
During business hours, our team typically replies within a few hours, ensuring that all questions regarding products, OEM/ODM services, and quotations are addressed promptly.

For OEM/ODM projects, the fastest way to reach our team is via WhatsApp:
https://wa.link/ad4dh3

You can also email us at Eternity@fitnesstrackerchina.com for detailed project discussions, product customization inquiries, and quotations.
We will respond as quickly as possible to help you start your smart wearable project efficiently.