2025 S998 4G Smart Watch Android OS MTK6739 Quad Core 3GB 32GB 2.64" Large Screen Dual Camera 1200mAh Removable Smartwatch

Specifications

1. 4G full Netcom, global call;

2. MTK6739 quad-core 1.4GHz processor, social + sports,more energy-efficient and precise exercise;

3. Android 11 high performance low power business model, more smooth operation, more secure information;

4. 4GB RAM+64GB ROM memory selection, install as desired;

5. 500W Dual Camera

6. 2.64-inch IPS screen, 490*490 HD resolution;

7. 1200mAh large battery.

8. Network & Connectivity:

2G: B2/3/5/8

3G: B1/2/5/8

4G_TDS : B34/39

4G_FDD: B1/2/3/4/5/7/8/12/17/20/26/28/B66

4G_TDD:B38/39/40/41

Package:

Smart Watch*1,

Watch Bands*1,

Charging Cable*1,

Product Manuals*1

Original Box*1

Support Languages:

English, Arabic, German, Spanish, Farsi, Finnish, French, Italian, Japanese, Hebrew, Malaysian, Dutch Polish, Portuguese Russian,Thai, Turkish, Vietnamese, Korean, Filipino, Indian, etc.

Function:

Contacts, Phone, Messages, Settings, Browser, Downloads, Calendar, Clock, Camera, Gallery, Music, Voice Recorder, File Management, Face recognition, Heart Rate Monitor, Health Management, IP67 Waterproof, Payment, Sports, Weather, Play Store, Maps, etc.

Rainbuvvy is a vertically integrated smartwatch innovator based in China, operating both as the manufacturer behind global wearable brands and the creator of our own international smartwatch brand Rainbuvvy. With a dedicated team of 45+ engineers and industry specialists, we deliver OEM/ODM solutions, private label customization, and wholesale distribution for partners worldwide.

---

Why Partner With Us?

Dual-Core Expertise
As both a brand owner and manufacturer, we understand market trends from dual perspectives:
Rainbuvvy Brand: Available on Amazon, eBay, Walmart.com, and regional e-commerce platforms across North America, Europe, and APAC.
B2B Solutions: 7+ years in R&D and bulk production of smartwatches with IP68/CE/FCC certifications.

Agile Customization
Negotiableunits for white-label orders with 45-day rapid turnaround
- Customizable hardware (watch faces, straps) & software (UI, health algorithms)
- Pre-loaded multi-language support for global markets

End-to-End Control
Ownership of the entire supply chain – from PCB design, mold development to quality assurance – ensures 30% faster prototyping and zero supply chain bottlenecks.

Data-Driven Innovation
Our Shenzhen-based lab continuously upgrades features based on 1.2M+ user data points collected from Rainbuvvy consumers, keeping your products ahead in:
▸ Health monitoring accuracy (heart rate, SpO2, sleep)
▸ Sports mode optimization (100+ activity profiles)
▸ Battery efficiency (up to 15 days per charge)

Global Footprint
• 20,000㎡ production facility with annual output of 800K+ units
• Serving 50+ distributors and brands across US, Germany, UAE, and Australia
• Warehouses in Los Angeles and Hamburg for faster regional delivery

---

Your Next Step
Whether you're a startup seeking small-batch customization or an established retailer needing bulk supply, Rainbuvvy becomes your wearable tech arm.