Mini 3G Smart Phone with 4.0" Screen and Android 10.0 OS Dual SIM 2+16GB FaceID

About this item:

Standard Package:
1 x Original mobile phone
1 x Premium Battery (non-removable)
1 x Phone Case
1 x tempered glass film
1 x cable
1 x User Manual
1 x box

Model: S25 Pro 3G smartphone
Height: 4.0 inches
Resolution: 452*960
Processor: MTK6580M (Quad Core 1.3G)
Operating system version: Android 10.0
Battery: 2000mAh
SIM card: Dual SIM dual standby
Bluetooth: 4.0
Face Unlock: Yes
Charging: USB Type-C power cable
EDGE: Downloadable
Memory configuration: 2 GB + 16 GB
TF card: up to 128GB expansion
Dual cameras: 2MP on the front and 5MP on the rear

Features: Calendar, Contacts, Flashlight, Dual SIM Standby, WiFi, Bluetooth 4.0, Multi-Language, etc.
Network frequency bands: WCDMA/GSM/GPRS, quad band
WCDMA Frequency: B1 / B2 / B4 / B5 / B8 / GSM: 850/900 / 1800 / 1900
Size: 100mm*49mm*9.9mm

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.