Battery Life : 10 days
Display Size : 1.39 inch
RAM : <128MB
Battery Capacity(mAh) : >450mAh
Resolution : 360*360
Origin : Mainland China
Band Detachable : Yes
Certification : CE,RoHS
Accessory Type : Charging cable and instructions
WIFI : No

Hign-concerned Chemical : None
Band length[mm] : 260
Band width[mm] : 22
SIM Card Slot : NO
Voice assistant built-in : YES
Bluetooth-compatible Version : 5.3
Metrics measured : Heart Rate Monitor,Women's Health Monitoring,other,Blood Oxygen Monitor,Sleep Monitor
Activity Tracked : other,Steps Tracker,Distance Tracker,Calorie Tracker,Activity Tracker
Touch Screen : YES
Category : Smart Watches
App name : DAFIT
Screen Material : AMOLED
Model : KC91
APP Download Available : Yes
Battery Detachable : No
CPU Manufacturer : MediaTek
Movement Type : Electronic
Style : SPORT
Application Age Group : ADULT
Screen Shape : Round
Case Material : Alloy
Band Material : STAINLESS STEEL
Waterproof Grade : 50m
SIM Card Available : No
Mechanism : Yes
Multiple Dials : Yes
GPS : Built-in GPS
Network Mode : None
Rear Camera : None
ROM : <128MB
System : Android Wear
Type : On Wrist
Compatibility : All Compatible
Language : English,Russian,Spanish, Portuguese,Italian,French,german,Korean,japanese,UKRAINIAN,Arabic
Function : Passometer,fitness tracker,sleep tracker,Message Reminder,Call Reminder,Answer Call,Dial Call,Push Message,Altitude Meter,tourbillon,Big Three Needles,24 hour instruction,Chronograph,Alarm Clock,Small Second,World Time,Calorie Counter,Power Reserve,GMT Two Places,week,Month,Heart Rate Tracker,Interactive Music,Noctilucent,Calendar,compass,Lighting,Countdown,Calculators

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.

---

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

---

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.