K3 2.6" Screen Dual SIM 32MB 32MB Memory 2500mAh Battery Mobile 2G 2G Feature Phone

Packaging accessories "Mobile phone * 1
Battery * 1
Wire charging * 1 (default US standard)
Packaging box * 1“
Packaging size (1 unit) 137 * 84.6 * 68.5MM
Packaging specifications (1 box) 345 * 188 * 27.5CM (length * width * height)
Languages: English, Arabic, French, Malay, Portuguese, Russian, Spanish, Persian, Hebrew
Change string command * # 66*#
The note can store 300 phone numbers, 200 text messages, 9 family numbers, and 5 SOS numbers
Unlock key: add the * key to the first left key, long press the 0 key to enter power-saving mode, long press the # key to switch between vibration and mute, long press the SOS key for emergency calls, long press the * key to turn on the radio, lanyard hole, and side key dual light flashlight

Model: K3 (Mobile 2G)
Main screen size: 2.6 inches (real 2.4 inches)
Body color: Black, Gold, Red
Card slot 1 small card, 1 large card (dual card)
Memory 32MB+32MB
The headphone jack has
Camera (pixels): Real 80000 pixels
Battery: True 2500mAh
Body size: 126 * 53.5 * 16.4mm (length * width * height)
Frequency band: GSM: 850/900/1800/1900
Network type: Mobile 2G
Appearance: Ultra thin straight board
Material: Plastic
Weight: 108G (1 unit, 1 battery weight) 178.6 G (1 unit, 1 battery, 1 manual, 1 charger, 1 color box)
Features (selling points): DV,Audio,Video,Sound recorder,Camera,FM,Calculator,Calendar,Alarm,E-book,Games,Facebook,Whatsapp,SOS 5,Bluetooth,Speed dial 9

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.