Buy Now, Pay Later
- – 6-month term
- – No impact on credit to apply
- – Instant approval decision
- – Secure and straightforward checkout
Ready to go? Add this product to your cart and select a plan during checkout.
Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Zip, Apple Pay, and Google Pay. No-credit-needed leasing options through Acima may also be available at checkout.
Learn more about financing & leasing here.
Selected Option
30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Recently Viewed
At a glance
- Condition
- New
- Color
- Black
- Model
- Smartwatch B31
- Storage
- 4 GB
- Memory
- 256 GB
- Screen size
- 1.77 in
- Weight
- 219.99 g
- Warranty
- 1 Year
- Works with
- Android Smartphones
Features 5
- INDEPENDENT ANDROID OS: Runs on Android 10.0 or higher with direct Google Play Store access download WhatsApp, Twitter, Google, and more straight to your wrist, no phone required.
- 5G SIM CARD SUPPORT: Insert a SIM card for full cellular connectivity, enabling independent calls, messaging, and data without a paired phone.
- HEALTH & FITNESS TRACKING: Monitor heart rate, blood oxygen (SpO2), sleep patterns, and step count, with GPS positioning to support your daily wellness and fitness goals.
- VIDEO CALLING & BUILT-IN CAMERA: Make face-to-face video calls and capture photos right from your wrist stay connected wherever you go.
- DURABLE & WATER RESISTANT: IP68-rated with an aluminum alloy case and comfortable silicone sport band, featuring a vivid 1.77-inch AMOLED display and up to 6 days of battery life.
Description
B31 Smart Watch, 4G/5G Cellular Smartwatch with SIM Card Support — True Standalone Freedom Work, Play, and Connect Without Your Phone: Insert a SIM card for full 4G/5G connectivity. Make video calls, browse the web, and download apps directly from Google Play — right from your wrist. Built for All-Day Health: Monitor your heart rate continuously, track blood oxygen (SpO2) levels, and gain deeper insights with sleep analysis — everything you need to stay on top of your wellness. Stunning 1.77-Inch AMOLED Display: Enjoy crisp, clear visuals on a vibrant touchscreen, backed by Android OS with 4GB RAM and 256GB storage for smooth, smartphone-level performance. Capture Every Moment: The built-in camera lets you snap photos and record videos on the go, without reaching for your phone. Rugged by Design: IP68 water-resistant rating, a lightweight aluminum alloy case, and a comfortable silicone sport band are built to handle demanding conditions. Never Lose Your Way: Built-in GPS navigation keeps you on course during outdoor runs, hikes, and adventures. All-Day Battery, Fast Recharge: Up to 6 days of battery life on a single charge, with just a 2-hour full recharge — ready to keep pace with your busiest days.
Specs 52
| Operating System | Android |
|---|---|
| Memory Storage Capacity | 4 GB |
| Special Feature | Bluetooth Calling |
| Battery Capacity | 180 mAh |
| Connectivity Technology | Bluetooth |
| Wireless Communication Standard | Bluetooth |
| Battery Cell Composition | Lithium Ion |
| GPS | True |
| Shape | Round |
| Screen Size | 1.77 inches |
| Additional Features | Bluetooth Calling |
| GPS Geotagging Functionality | True |
| Band Material Type | Silicone |
| Case Material Type | Aluminum |
| Water Resistance Level | Water Resistant |
| Sport Type | Running |
| Human Interface Input | Touchscreen |
| Clasp Type | Tang Buckle |
| Supported Application | Heart Rate Monitor |
| Water Resistance Depth | 164.04 feet |
| Supported Satellite Navigation System | GPS |
| Controller Type | Touchscreen |
| Metrics Measured | Heart Rate Monitor |
| Closure Type | Buckle |
| Battery Cell Type | Lithium Ion |
| Battery Average Life | 6 days |
| Battery Charge Time | 2 hours |
| Display Type | AMOLED |
| Resolution | 320 X 385 Pixels |
| Maximum Display Brightness | 500 nits |
| RAM Memory Installed | 256 GB |
| Brand | RYE |
| Model Name | Smartwatch B31 |
| Target Audience | Men |
| Age Range Description | Adult |
| Model Number | Smartwatch B31 |
| Built-In Media | smart watch |
| Wearable Computer Type | Smart Watch |
| Unit Count | 1 Count |
| Manufacturer | Rye Tech |
| Style Name | sport |
| Color | Black |
| Band Color | Black, Silver, Gray |
| Wireless Compability | Bluetooth |
| Wireless Provider | Blau |
| Cellular Technology | 5G |
| Communication Feature | Bluetooth Calling |
| Band Width | 0.87 inches |
| Item Weight | 219.99 g |
| Band Length | 9.06 inches |
| Warranty Type | Limited Manufacturer Warranty |
| Waterproof Rating | Ip68 |
No specs match.
Frequently asked questions
To initiate a return, please visit our Returns Center.
View our full returns policy here.
- Klarna Financing
- Affirm Pay in 4
- Affirm Financing
- Afterpay Financing
- Zip Pay in 4
- Financing through Apple Pay
- Financing through Google Pay
Learn more about financing & leasing here.
![Apple Watch Ultra [GPS + Cellular 49mm] Titanium Case with Midnight Ocean Band, One Size (Renewed)](https://m.media-amazon.com/images/I/810JR81LIsL._AC_US500_.jpg)
![Apple Watch Ultra 3 [GPS + Cellular 49mm] Running & Multisport Smartwatch w/Rugged Titanium Case w/Black Ocean Band. Satellite Communications, Advanced Health & Fitness Tracking](https://m.media-amazon.com/images/I/71pdSpwZJiL._AC_US500_.jpg)
![Apple Watch SE (2nd Gen) [GPS 40mm] Smartwatch with Starlight Aluminum Case with Starlight Sport Band S/M. Fitness and Sleep Trackers, Crash Detection, Heart Rate Monitor, Retina Display](https://m.media-amazon.com/images/I/61umEhyV-UL._AC_US500_.jpg)
![Apple Watch Series 11 [GPS 42mm] Smartwatch with Jet Black Aluminum Case with Black Sport Band - S/M. Sleep Score, Fitness Tracker, Health Monitoring, Always-On Display, Water Resistant](https://m.media-amazon.com/images/I/613ko-gTe+L._AC_US500_.jpg)
![Samsung Galaxy Watch 7 40mm Bluetooth AI Smartwatch w/Energy Score, Wellness Tips, Heart Rate Tracking, Sleep Monitor, Fitness Tracker, 2024, Cream [US Version, 1Yr Manufacturer Warranty]](https://m.media-amazon.com/images/I/71SZNup1qrL._AC_US500_.jpg)
