---
product_id: 183462814
title: "4G Smart Watch 2.86 Inch Screen Android 7.1 1GB+16GB 5MP Camera 2700mAh Battery Smartwatch for Men (Silver, 3GB+32GB)"
brand: "rainbuvvy"
price: "€ 340.24"
currency: EUR
in_stock: true
category: "Rainbuvvy"
url: https://www.desertcart.pt/products/183462814-4g-smart-watch-2-86-inch-screen-android-7-1
store_origin: PT
region: Portugal
---

# 2.86" immersive LCD display 4G LTE with nano SIM slot 2700mAh long-lasting battery 4G Smart Watch 2.86 Inch Screen Android 7.1 1GB+16GB 5MP Camera 2700mAh Battery Smartwatch for Men (Silver, 3GB+32GB)

**Brand:** rainbuvvy
**Price:** € 340.24
**Availability:** ✅ In Stock

## Summary

> ⌚️ Own the biggest screen on your wrist—because size *does* matter.

## Quick Answers

- **What is this?** 4G Smart Watch 2.86 Inch Screen Android 7.1 1GB+16GB 5MP Camera 2700mAh Battery Smartwatch for Men (Silver, 3GB+32GB) by rainbuvvy
- **How much does it cost?** € 340.24 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/183462814-4g-smart-watch-2-86-inch-screen-android-7-1)

## Best For

- rainbuvvy enthusiasts

## Why This Product

- Trusted rainbuvvy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **True 4G Connectivity:** Stay hands-free and connected anywhere with built-in nano SIM support.
- • **Massive 2.86" Display:** See more, do more—your wrist just became a mini powerhouse.
- • **Power Through Your Week:** 2700mAh battery means less charging, more living—keep up with your hustle.
- • **All-Day Heart Monitoring:** Track your heart rate in real-time for smarter, healthier workouts.
- • **Crystal Clear 5MP Camera:** Capture moments or video call with sharp, vibrant clarity on the go.

## Overview

The Rainbuvvy 4G Smart Watch features a groundbreaking 2.86-inch 640x480 LCD display, running Android 7.1 with 3GB RAM and 32GB storage. Equipped with 4G LTE via nano SIM, a 5MP camera, and a robust 2700mAh battery, it offers standalone smartphone functionality on your wrist. Additional perks include heart rate monitoring, built-in GPS, IP67 water resistance, and compatibility with Android 6.0+/iOS 11.1+ devices, making it a versatile companion for professionals who demand connectivity and health tracking in one bold package.

## Description

Buy Rainbuvvy 4G Smart Watch 2.86 Inch Screen Android 7.1 1GB+16GB 5MP Camera 2700mAh Battery Smartwatch for Men (Silver, 3GB+32GB): Smartwatches - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- BIGGEST SCREEN DISPLAY EVER MADE: Introducing the world's first large screen smart watch. Experience the most immersive and largest display ever. The 2.86 inch ( 640x480) display lets you see more at once.
- FAST NETWORK: With a 4G support build in sim card slot now you can enjoy hands free calls and use various online apps anywhere and anytime on your bigger display.
- CAPTURE YOUR MOMENTS: Save every moment with clarity using your smart watch. Now you can enjoy your video calls and selfies with brightness, details and enhanced clarity.
- WATCH YOUR HEART: Equipped with a heart rate sensor and a built-in heart rate monitor, you can check your heart rate during a workout; see your resting, walking, breathe, workout, and recovery rates throughout the day; or take a new reading at any time.
- LONGER BATTERY LIFE: Give your charger a rest. The 2700 mAh battery eliminates the need for daily charging and helps you keep up with your busy week.
- ✅✅✅Please scan the QR code with your cell phone camera to download the app successfully. No need to search for app on Google Play Store.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07YCDGSHZ |
| Additional Features | Camera |
| Age Range Description | Adult |
| Band Color | silver |
| Band Material Type | Silver |
| Battery Capacity | 2700 milliamp_hours |
| Battery Cell Type | Lithium Polymer |
| Battery Power | 2700 milliamp_hours |
| Best Sellers Rank | #88,804 in Electronics ( See Top 100 in Electronics ) #1,512 in Smartwatches |
| Brand | Rainbuvvy |
| Built-In Media | Charger, Smart watch, Watch Band |
| Cellular Technology | 4G |
| Clasp Type | Buckle |
| Closure Type | Buckle |
| Color | Silver |
| Communication Feature | [Multiple] |
| Compatible Devices | Smartphone |
| Compatible Phone Models | Android 6.0 and above or iOS 11.1 and above |
| Connectivity Technology | Wi-Fi |
| Controller Type | Android |
| Customer Reviews | 3.6 3.6 out of 5 stars (557) |
| Display Type | LCD |
| GPS Geotagging Functionality | Built-in GPS |
| Human Interface Input | Touchscreen |
| Item Weight | 3.13 g |
| Manufacturer | Refly |
| Memory Storage Capacity | 32 GB |
| Metrics Measured | optical_heart_rate_sensor, camera |
| Model Name | Rainbuvvy DM100 |
| Model Number | DM100 |
| Operating System | Android 7.1 |
| RAM Memory Installed | 3 GB |
| Resolution | 480*640 |
| Screen Size | 2.86 inches |
| Shape | Square |
| Sim Card Size | Nano |
| Sport Type | Walking |
| Style Name | Modern |
| Supported Application | Camera, Heart Rate Monitor, Phone |
| Supported Satellite Navigation System | GPS |
| Target Audience | Men |
| Warranty Type | Limited |
| Water Resistance Depth | 1 meters |
| Water Resistance Level | Waterproof |
| Waterproof Rating | IP67 |
| Wearable Computer Type | Smart Watch |
| Wireless Compability | Bluetooth |
| Wireless Provider | T-Mobile |

## Product Details

- **Battery Capacity:** 2700 milliamp_hours
- **Battery Cell Composition:** Lithium Polymer
- **Connectivity Technology:** Wi-Fi
- **GPS:** Built-in GPS
- **Memory Storage Capacity:** 32 GB
- **Operating System:** Android 7.1
- **Screen Size:** 2.86 inches
- **Shape:** Square
- **Special Feature:** Camera
- **Wireless Communication Standard:** Bluetooth

## Images

![4G Smart Watch 2.86 Inch Screen Android 7.1 1GB+16GB 5MP Camera 2700mAh Battery Smartwatch for Men (Silver, 3GB+32GB) - Image 1](https://m.media-amazon.com/images/I/61dZOvX8ELL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: Does this phone work via Bluetooth connection with cellphone? Or does it only work if it has its own sim card?**
A: Hello. This watch phone can work via both 2 way. 
You can insert a SIM card or connect to WIFI and use it as a independent phone. If you don't want to use the sim card, it can also be connected with your phone and work as a Bluetooth watch.

**Q: My question is if i use the watch with a sim card can i answer calls with my bluetooth headphones so that everyone around me don’t have to hear the co**
A: Yes,you could use the Bluetooth headphones to answer calls.  Other people around you won't hear the sound.

**Q: What the SIM card look like?**
A: It uses a nano SIM card

**Q: Do you know what is the operating system?**
A: Hi, the operating system is Android 7.1.1

## Frequently Bought Together

- Rainbuvvy 4G Smart Watch 2.86 Inch Screen Android 7.1 1GB+16GB 5MP Camera 2700mAh Battery Smartwatch for Men (Silver, 3GB+32GB)
- Puccy 3 Pack Screen Protector Film, compatible with DM100 2.86inch Smartwatch TPU Guard （ Not Tempered Glass Protectors ）, Transparent
- SpeedTalk Mobile $5 Prepaid Smart Watch SIM Card Kit for 5G 4G LTE Smartwatch, Wearables | Triple Cut 3 in 1 Simcard - Standard Micro Nano | No Contract | USA Coverage 30 Days Service

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**Shop now:** [https://www.desertcart.pt/products/183462814-4g-smart-watch-2-86-inch-screen-android-7-1](https://www.desertcart.pt/products/183462814-4g-smart-watch-2-86-inch-screen-android-7-1)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-09-01*