Hello Watch 4 4G Smart Watch Cellular Card Version AMOLED Wifi 16GB ROM 2G RAM Bluetooth Call

Description

Hello Watch 4+ Smart Watch Cellular Card Version AMOLED Wifi 4G Network Men Photo Album 16GB ROM +2G RAM Bluetooth Call 2024

Notice : SIM cards are not common in different countries

Hello Watch 4+ Support card Version :

Asia Country : B1,B3,B7,B8,B20,B38,B39,B40,B41

Europe Country : B1,B3,B7,B8,B20,B38

North America Country : B5,B7,B41

South America Country : B1,B3,B5,B7,B38,B40,B41

Middle East/Africa Country : B1,B3,B8,B20,B41

Hello Watch 4+ Sim Card Version With Wifi

1: 16GB ROM+2GB RAM AMOLED Larger Screen 2.04 inch

2: Wifi Model

3: 4G Network

4: Photo Album

5: Support Bluetooth Call connector Mobile Phone

6: Dial downloads

7 : Size 49mm

8 : app LeWear

Language :

Chinese Traditional , Russian ,English, Portuguese, , Turkish, Japanese, French, German, Italian, Spanish, Korean , Nederlands ,Polski ,Indonesia

Selling Points:OLED screen (368×448),IP68 waterproof, 16Gb memory, breathing training, fitness training, heart rate blood oxygen, sleep, Alipay, Noise detection, alarm clock, timer, World Clock, e-book, File management, local music, siren, photo album, stock market, Maps, tesla, Internet connection, 4g talk and data network, Software download

major function:Dial downloads, Bluetooth /4g calls, message notifications, multiple sports, offline payments, navigation, Internet connection, software downloads, heart rate, blood oxygen

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.

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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

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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.