--- product_id: 376747202 title: "4G Smart Watch 2.86 Inch Screen Android 7.1 3GB+32GB 5MP Camera 2700mAh Battery Smartwatch for Men, Silver" brand: "rainbuvvy" price: "25 zł" currency: PLN in_stock: false reviews_count: 5 url: https://www.desertcart.pl/products/376747202-4g-smart-watch-2-86-inch-screen-android-7-1 store_origin: PL region: Poland --- # 2.86" largest HD display 4G LTE global bands 2700mAh long-lasting battery 4G Smart Watch 2.86 Inch Screen Android 7.1 3GB+32GB 5MP Camera 2700mAh Battery Smartwatch for Men, Silver **Brand:** rainbuvvy **Price:** 25 zł **Availability:** ❌ Out of Stock ## Summary > ⌚ Elevate your wrist game with the ultimate 4G powerhouse! ## Quick Answers - **What is this?** 4G Smart Watch 2.86 Inch Screen Android 7.1 3GB+32GB 5MP Camera 2700mAh Battery Smartwatch for Men, Silver by rainbuvvy - **How much does it cost?** 25 zł with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/376747202-4g-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 connected anywhere with full LTE support and built-in SIM slot. - • **Crystal Clear 5MP Camera:** Capture moments or video call with sharp, vibrant clarity on your wrist. - • **All-Day Powerhouse Battery:** 2700mAh battery keeps you unplugged for up to 2 days of nonstop use. - • **Immersive 2.86" HD Display:** See more, do more with the biggest smartwatch screen ever made. - • **Comprehensive Health Tracking:** Monitor heart rate and activity seamlessly with built-in sensors. ## Overview The Rainbuvvy 4G Smart Watch DM100 redefines wearable tech with its massive 2.86-inch HD touchscreen, robust 3GB RAM + 32GB storage, and full 4G LTE support for standalone calls and apps. Featuring a 5MP camera for crisp photos and video calls, plus a powerful 2700mAh battery that lasts up to 2 days, this Android 7.1 smartwatch blends productivity, connectivity, and health tracking into one sleek silver device designed for the modern professional on the move. ## Description Chip: MT6739Memory combination:RAM: 1G/3G ROM: 16GB/32GBCamera: 5MPSupport band:2G: GSM：B2 B3 B5 B83G: WCDMA ：B1 B2 B5 B8; TD-SCDMA:B34/394G: LTE-FDD：B1 B2 B3 B5 B7 B8 B12 B20; LTE-TDD：B38 B39 B40 B41(100MHz)WIFI: Support 2.4G\5GBluetooth: 4.0Display: 2.86 inch LCD 480*640 Resolution Capacitive touch screenPLEASE NOTE:1. If there're any questions during using, please contact us first before returning. We will definitely help you solve it.2. About SIM carda. If your watch is unable to recognize the SIM card, please make sure that the card has been inserted correctly. You will hear a clicking sound when SIM card was inserted correctly.b. All Network frequency bands in the North America: TDD: Band 41(uS)/42(CA); FDD: Band 2/4/5/7/12/13/17/25/26Network frequency band supported by our smart watch: FDD: Band 2/5/7Support Operators: iConnect (Choice Phone), AT&T, nTelos, T-Mobile, U.s. Cellular. (Note: Because the network signal of each region is different,please confirm with your local operator before purchasing.)3. About ConnectionFind the "Assistant" app on your watch --- Click "Connect Phone" --- Enter the "wiiwatch2" app on your phone --- Click on "connect device" --- "Scan QR code" (You could also refer to page 9 of the manual.)PS: If the connection is unsuccessful, please uninstall the "wiiwatch2" app and clear the Bluetooth pairing record. Then reset the watch and try again.(Clear pairing record: 1.Click "small trash can icon" at the bottom left corner of the QR code page on the watch; 2. Clear the pairing record in the Bluetooth list on the mobile phone.) Review: Big watch! Awesome Android phone watch. Review: Quality and advance technology ## 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. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07YCDGSHZ | | Age Range Description | Adult | | Band Color | silver | | Band Material Type | Silver | | Battery Average Life | 2 Days | | Battery Capacity | 2700 Milliamp Hours | | Battery Cell Type | Lithium Polymer | | Battery Power | 2700 | | Best Sellers Rank | #966,865 in Electronics ( See Top 100 in Electronics ) #15,464 in Smart Watches | | Box Contents | Charger, Smart watch, Watch band | | Brand Name | Rainbuvvy | | Case Material Type | Aluminium | | Cellular Technology | 4G | | Clasp Type | Buckle | | Closure Type | Buckle | | Colour | Silver | | Communication Feature | [Multiple] | | Compatible Devices | Mobile Phone | | Compatible Phone Models | Android 6.0 and above or iOS 11.1 and above | | Connectivity Technology | Cellular | | Controller Type | Touch Control | | Customer Reviews | 3.6 out of 5 stars 522 Reviews | | Display Type | LCD | | GPS Geotagging Functionality | Built-in GPS | | Human Interface Input | Touchscreen | | Item Type Name | smart watch | | Item Weight Unit of Measure | 0.11 Ounces | | Manufacturer | Refly | | Memory Storage Capacity | 32 GB | | Metrics Measured | optical_heart_rate_sensor, camera | | Model Name | Smartwatch | | Model Number | DM100 | | Operating System | android 7.1 | | Product Features | Camera | | RAM Memory Installed | 3 GB | | Resolution | 640 x 480 | | Screen Size Unit of Measure | 2.86 | | Shape | Rectangular | | Sim Card Size | Nano | | Special Feature | Camera | | Sport Type | Walking | | Style Name | Modern | | Supported Application | Camera | | Supported Satellite Navigation System | GPS | | Target Audience | Men | | Water Resistance Depth | 1 Metres | | Water Resistance Level | Waterproof | | Waterproof Rating | IP67 | | Wearable Computer Type | Smart Watch | | Wireless Communication Standard | Bluetooth | | Wireless Compability | Bluetooth | | Wireless Provider | T-Mobile | ## Product Details - **Battery Capacity:** 2700 Milliamp Hours - **Connectivity Technology:** Cellular - **Memory Storage Capacity:** 32 GB - **Operating System:** android 7.1 - **Special Feature:** Camera ## Images ![4G Smart Watch 2.86 Inch Screen Android 7.1 3GB+32GB 5MP Camera 2700mAh Battery Smartwatch for Men, Silver - Image 1](https://m.media-amazon.com/images/I/61dZOvX8ELL.jpg) ![4G Smart Watch 2.86 Inch Screen Android 7.1 3GB+32GB 5MP Camera 2700mAh Battery Smartwatch for Men, Silver - Image 2](https://m.media-amazon.com/images/I/81EXs0ZbfIL.jpg) ![4G Smart Watch 2.86 Inch Screen Android 7.1 3GB+32GB 5MP Camera 2700mAh Battery Smartwatch for Men, Silver - Image 3](https://m.media-amazon.com/images/I/71PShPABUkL.jpg) ![4G Smart Watch 2.86 Inch Screen Android 7.1 3GB+32GB 5MP Camera 2700mAh Battery Smartwatch for Men, Silver - Image 4](https://m.media-amazon.com/images/I/81K2XU6ZSRL.jpg) ![4G Smart Watch 2.86 Inch Screen Android 7.1 3GB+32GB 5MP Camera 2700mAh Battery Smartwatch for Men, Silver - Image 5](https://m.media-amazon.com/images/I/81JEDM23KkL.jpg) ## 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 ## Customer Reviews ### ⭐⭐⭐⭐⭐ Big watch! Awesome Android phone watch. *by K***I on 20 January 2021* ### ⭐⭐⭐⭐⭐ Quality and advance technology *by J***A on 7 May 2021* ### ⭐⭐ Muy buena idea pero muy mal performance *by M***O on 24 January 2024* Tiene muy poca memoria RAM, las apps se alentan o no cargan, muy poco chance de personalizar, la app del teléfono se traba y no hay forma eficiente de buscar contactos. Si le pusieran un poco más de RAM y hacen una interfaz mejor, sería un éxito. No me convenció. ## 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/376747202-4g-smart-watch-2-86-inch-screen-android-7-1](https://www.desertcart.pl/products/376747202-4g-smart-watch-2-86-inch-screen-android-7-1) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-27*