XS16 4G Mini Smartphone Android 2GB+16GB Dual SIM Type C 3 Inch Smart Phone

About this item:

Screen: 3.0-inch 16:9 IPS screen resolution 480*854
Chip: MTK6737
CPU: 4 cores 1.1G
Camera: 2MP front, 5MP rear
Battery: 2000mah built-in polymer battery
SIM card: dual card dual standby
RAM:2GB/3GB
ROM:16GB/64GB
External TF card slot: Yes
Main button: single touch

Button backlight: Yes
Side keys: yes
Touch button sensor: Yes
Bluetooth: Yes
Analog TV: No
FM: Yes
Charging type: Type_C
Headphone jack: none
OTG: None
USB power cord: Yes
Speaker: Yes
Receiver: Yes
Mobile phone size: 89.5*45.5*11.5 mm
Functions: switch animation, phone book, IP calling, hands-free, call history, call duration, speed dial, MMS, SMS, calculator, alarm, calendar, timer on/off, key lock, etc.
Network frequency band: GSM: B3/B5/B8(1800/850/900) WCDMA: B1/B5/B8(2100/850/900) FDD: B1/B3/B5/B7/B8/B20(2100/1800/850 /2600/900/800)
TDD:B39/B40(2600/1900/2300)
Mobile language: English French Spanish Portuguese (Brazil) Italian German Dutch Hungarian Russian Arabic Greek Romanian Bulgarian Turkish Vietnamese Czech Persian Indonesian Malay Thai Portuguese Philippine Hebrew Cambodian Khmer Korean Japanese

Note:
1. Only one rear camera is real and can be used normally. The other cameras are decorative. We do not accept disputes about 3 rear cameras.
2. Because the chargers used in each country are different, we will not be equipped with a charger plug,
but all the charging plug can be used with the configured USB. We do not accept disputes about package not include charger plug.

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.