Smart watch

1. Screen: 1.28 inch IPS touch screen 240x240 resolution
2. Bluetooth version: 5.0
3. Chip: SYD8821
4. Heart rate sensor: PAH8007
5. Acceleration sensor: SC7A20
6. RAM / ROM: 128KB / 512KB
7. Functions: Pedometer, calorie, sleep monitoring, time display, call reminder, sedentary reminder, smart alarm clock, heart rate, blood pressure, blood oxygen monitoring, remote camera, anti-lost, message push (SMS, Facebook, Twitter ), event reminder, sports mode (running, cycling, badminton, mountaineering)
8. Battery: 320mAh, 2-3 hours charging time, magnetic charging
9. Compatible system: iOS9.0 and above, Android 4.3 and above
10. Firmware language: English, French, German, Japanese, Simplified Chinese
11. APP (iBAND) languages: English, French, German, Italian, Portuguese, Spanish, Dutch, Russian, Japanese, Korean, Traditional Chinese, Simplified Chinese
12. Dial material: zinc alloy + plastic, watchband material: high elastic silicone / steel
13. Dial size (diameter x thickness): 46mmx17mm, watchband size (length x width): 255mmx20mm
14. Wearable range: 160mm-230mm

Bluetooth earphone

1. TWS chip: Realtech RTL8753BFE
2. Bluetooth version: 5.1
3. Battery: 30mAh, 4 hours music time, 1-1.5 hours charging time
4. Speaker: 6mm
5. Maximum output power: 16mW, 16Ω
6. Distortion: <=0.1%
7. Frequency response: 20Hz-20kHz
8. Signal-to-noise ratio: >=97dB
9. Channel separation: 85dB 1KHZ
10. Size: 24mmx11.45mmx19.6mm
11. Weight: 3gx2

Packing list:
- 1 x Smart Bluetooth watch
- 1 x Watchband
- 2 x TWS earphones
- 1 x Charging cable
- 1 x Chinese and English manual

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.