Advanced Mini 4G Smart Phone with Google App Store and WhatsApp Support

About this item:

Note:
1.Only one rear camera of this phone is real and can be used normally. The other cameras are decorative. We do not accept disputes about 5 rear cameras.
2. Because the chargers used in each country are different, package without charger adapter, You have to equip a 5V charger adapter by yourself. We do not accept disputes about package not include charger plug.

Frequency band
2G: 900/1800/850/1900

3G: B1/B2/B4/B5/B8

4G: FDD:B1/B2/B3/B4/B5/B7/B8/B12/B17/B20/B28A/B28B

TDD:B40/B41

Selling Point:
1. MT6737 Android 8.1 Smartphone;

2.2500mAh large battery,stanby for more than 3 days;
3. Supports Google App Store, WhatsApp ,Kakao Talk,VK, etc.
4. Supports Face ID, GPS, Bleutooth, WiFi, hotspot sharing, OTG, Type-C audio output;
5. Other functions: calculator, alarm clock, calendar, memo, keyboard lock, timer switch.

Memory:

2GB RAM 16GB ROM

Package include:
1x mobile phone, 1x manual, 1x card removal pin,
1x phone case, 1 x protective film, 1x USB-C cable (No power adapter included,Please prepare 5V charging adapter by yourself).

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.