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Rainbuvvy S666 Android Smartwatch: 1.57 inch IPS display

Android Smartwatch — Smart Watch, Rainbuvvy

For the active professional who needs to stay connected without checking a phone, this smartwatch keeps you informed discreetly. It’s not just a fitness tracker; it’s your personal assistant for managing daily tasks and health on the go.

The 1.57 inch IPS display shows notifications clearly in sunlight, so you never miss an important message. With heart rate monitoring, you can track your fitness progress during workouts or monitor stress levels throughout the day. The NFC feature lets you make quick payments, and Bluetooth 5.0 ensures a stable connection to your phone. At 240 mAh, the battery lasts through long days, and the lightweight design feels comfortable all day without weighing you down.

Features
  • Bluetooth 5.0
  • Heart rate monitoring
  • NFC
  • Multi-language support
  • Super lightweight smart bracelet
  • 240 mAh battery
  • 200x320 resolution
  • Color options: black/green
  • 1.57 inch IPS display

General specs

  • Brand: Rainbuvvy
  • Model: S666
  • Seller: Joom
  • ID: 680083ba1ea746ac99136b88
  • Type: Smartwatch, Smart bracelet
  • Brand: Rainbuvvy
  • Model: S666
  • Processor: RTL8762DK
  • Display Size: 1.57 inches
  • Display Type: IPS
  • Color Options: Black, Green
  • Weight Category: Super lightweight
  • Battery Capacity: 240 mAh
  • Operating System: Android
  • Bluetooth Version: 5.0
  • Health Monitoring: Heart rate monitoring
  • Languages Support: Multiple languages
  • Display Resolution: 200x320 pixels
  • Connectivity Features: NFC
  • First listed by seller: 2/15/26

If you are interested in more details, you can find full information on the seller's page.

$62.08
Last price update: 2/15/26
Available to order

Shipping options

Delivery to United States
Unavailable

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Model S666 GA05735-US ET480 Watch Fit
Color
Rating
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Price $62.08 $229.99 $39.83 $47.99 $70.99 $13.48
Seller Joom Amazon Banggood Amazon Gshopper Sunsky
Update Feb 18, 2026 Dec 6, 2025 Jan 14, 2026 Dec 6, 2025 Jul 25, 2024 Jan 11, 2026
Display Size 1.57 inches 1.85 2.02
Display Type IPS AMOLED IPS
Battery Capacity 240 mAh 300mAh 300
Bluetooth Version 5.0 BT5.2 5.3 5.0
GPS GPS Via Smartphone None None
Battery Life 7, 10 Long-lasting 4, 5
Android Smartwatch — Smart Watch, Rainbuvvy

Rainbuvvy S666 1.57 inch IPS display

$62.08

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