---
product_id: 645510419
title: "Fire-Boltt Onyx- 36.3mm AMOLED Always On Display Smart Watch, 466 * 466 High Resolution, Bluetooth Calling, Steel Design, IP67, 4GB Storage, 300+ Sports Modes, 130+ Watch Faces (Black)"
brand: "fire-boltt"
price: "40 kr"
currency: DKK
in_stock: false
url: https://www.desertcart.dk/products/645510419-fire-boltt-onyx-36-3mm-amoled-always-on-display-smart
store_origin: DK
region: Denmark
---

# 5 Days Battery Life Bluetooth Calling 36.3mm AMOLED 466x466 Fire-Boltt Onyx- 36.3mm AMOLED Always On Display Smart Watch, 466 * 466 High Resolution, Bluetooth Calling, Steel Design, IP67, 4GB Storage, 300+ Sports Modes, 130+ Watch Faces (Black)

**Brand:** fire-boltt
**Price:** 40 kr
**Availability:** ❌ Out of Stock

## Summary

> ⌚ Elevate your wrist game with Fire-Boltt Onyx — where style meets unstoppable tech.

## Quick Answers

- **What is this?** Fire-Boltt Onyx- 36.3mm AMOLED Always On Display Smart Watch, 466 * 466 High Resolution, Bluetooth Calling, Steel Design, IP67, 4GB Storage, 300+ Sports Modes, 130+ Watch Faces (Black) by fire-boltt
- **How much does it cost?** 40 kr with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/645510419-fire-boltt-onyx-36-3mm-amoled-always-on-display-smart)

## Best For

- fire-boltt enthusiasts

## Why This Product

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

## Key Features

- • **Seamless Bluetooth Calling:** Take calls directly from your wrist—stay connected without missing a beat, even on the move.
- • **Vivid Always-On AMOLED Display:** Experience stunning clarity with a 36.3mm 466x466 resolution screen that keeps your style visible 24/7.
- • **Robust Steel & Zinc Alloy Build:** A sleek, durable design that’s as resilient as your busy lifestyle demands.
- • **300+ Sports Modes & Health Insights:** Track every workout and monitor your health with precision, empowering your fitness goals.
- • **Long-Lasting Battery & Quick Charge:** Up to 5 days of active use and fast charging means your watch keeps up with your nonstop schedule.

## Overview

The Fire-Boltt Onyx is a premium 36.3mm AMOLED smartwatch featuring a crisp 466x466 always-on display, Bluetooth calling, and a robust steel design. With over 300 sports modes, comprehensive health tracking, and an IP67 rating, it’s built for the active professional. Enjoy up to 5 days of battery life and quick charging, all wrapped in a sleek, customizable package with 130+ watch faces.

## Description

Full description not available

## Features

- Exquisite AMOLED display: Onyx smart watch features a captivating 36.3mm always-on round AMOLED screen, boasting a dazzling 466x466 pixel resolution. Even in its idle state, your watch face remains a true work of art.
- Effortless BT Calling: Stay seamlessly connected on the move with Bluetooth calling. Effortlessly take calls right from your wrist, infusing sophistication into your communication.
- Elegant & Durable Design: Crafted with a robust zinc alloy frame, a rotating crown, and steel straps, Onyx smartwatch transcends mere technology, it's a fashion statement that can withstand the demands of everyday life.
- Your Fitness Ally: Empowering your fitness journey, Onyx offers over 300 sports modes, assisting you in tracking and enhancing your performance in every activity.
- Big Battery Capacity: Revel in uninterrupted usage, enjoying an impressive 3-5 days of active watch usage and a remarkable 10-15 days in standby mode. To reach 100%, it requires 3 hours of charging with a 3.7V to 5V adapter or a laptop output. Achieving a minimum of 20% charge takes just 30-40 minutes.
- Prepared for Every Adventure: With an IP67 rating, the Onyx smartwatch is primed to conquer splashes, rainy conditions, and dusty environments, ensuring it complements your active and adventurous lifestyle perfectly.
- Your Health's Guardian: Onyx is a steadfast companion in health tracking. Equipped with a wide array of comprehensive health monitoring features, it offers real-time insights to keep you informed about your health. (This is not a medical device).
- Voice-Powered Efficiency: Streamline your daily routine with the convenience of built-in voice assistance. This intuitive feature simplifies task execution and information access, elevating your smartwatch experience.
- Personalized Style: Express your unique personality with 130+ watch faces and colour choices including classic black, elegant gold, a stunning rose-gold, and sleek silver. Onyx smartwatch is a reflection of your distinctive style.
- In the box- 1U Smartwatch, 1U Charging Cable, 1U Warranty, 1U Manual.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Fire-Boltt |
| Manufacturer | Fire-Boltt |
| Series | Onyx |
| Colour | Black |
| Standing screen display size | 1.43 Inches |
| Package Dimensions | 11.1 x 10.9 x 7.3 cm; 300 g |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Item model number | BSW183 |
| Connectivity Type | Bluetooth |
| Wireless Type | Bluetooth |
| Wattage | 230 Watts |
| Operating System | android |
| Battery Charge Time (in hours) | 3 Hours |
| Average Battery Life (in hours) | 5 Days |
| Are Batteries Included | Yes |
| Number of Lithium Ion Cells | 1 |
| Included Components | Smartwatch, Charging Cable, Warranty Card, Manual |
| Manufacturer | Fire-Boltt |
| Item Weight | 300 g |

## Product Details

- **Operating System:** android
- **Memory Storage Capacity:** 4 GB
- **Special Feature:** Accelerometer, Activity Tracker, Alarm Clock, Calorie Tracker, Camera, Bluetooth Calling, IP68 Smartwatch, 1.43" AMOLED Display, 466*466 Pixel High Resolution, Built In Mic & Speaker, Daily Workout Memory, Distance Tracker, Multisport Tracker, Music Player, Notifications, Pedometer, Phone Call, Sedentary Reminder, Sleep Monitor, Text message, Time Display, Spo2 (Blood Oxygen Monitoring), Heart Rate Tracking
- **Battery Capacity:** 300
- **Connectivity Technology:** Bluetooth

## Images

![Fire-Boltt Onyx- 36.3mm AMOLED Always On Display Smart Watch, 466 * 466 High Resolution, Bluetooth Calling, Steel Design, IP67, 4GB Storage, 300+ Sports Modes, 130+ Watch Faces (Black) - Image 1](https://m.media-amazon.com/images/I/71eH3ktHtqL.jpg)
![Fire-Boltt Onyx- 36.3mm AMOLED Always On Display Smart Watch, 466 * 466 High Resolution, Bluetooth Calling, Steel Design, IP67, 4GB Storage, 300+ Sports Modes, 130+ Watch Faces (Black) - Image 2](https://m.media-amazon.com/images/I/71VQQ7YJNjL.jpg)
![Fire-Boltt Onyx- 36.3mm AMOLED Always On Display Smart Watch, 466 * 466 High Resolution, Bluetooth Calling, Steel Design, IP67, 4GB Storage, 300+ Sports Modes, 130+ Watch Faces (Black) - Image 3](https://m.media-amazon.com/images/I/81xfUsBnUhL.jpg)
![Fire-Boltt Onyx- 36.3mm AMOLED Always On Display Smart Watch, 466 * 466 High Resolution, Bluetooth Calling, Steel Design, IP67, 4GB Storage, 300+ Sports Modes, 130+ Watch Faces (Black) - Image 4](https://m.media-amazon.com/images/I/71Y95Wb6T9L.jpg)
![Fire-Boltt Onyx- 36.3mm AMOLED Always On Display Smart Watch, 466 * 466 High Resolution, Bluetooth Calling, Steel Design, IP67, 4GB Storage, 300+ Sports Modes, 130+ Watch Faces (Black) - Image 5](https://m.media-amazon.com/images/I/716VTh7YgkL.jpg)

## Frequently Bought Together

- Fire-Boltt Onyx- 36.3mm AMOLED Always On Display Smart Watch, 466 * 466 High Resolution, Bluetooth Calling, Steel Design, IP67, 4GB Storage, 300+ Sports Modes, 130+ Watch Faces (Black)
- PROTECTERR® 2-Pack Screen Guard for Fire-Boltt Onyx 1.43" inch Protector | Flexible, Unbreakable, Bubble-Free Installation | Not Tempered Glass | Edge-to-Edge Coverage

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**Shop now:** [https://www.desertcart.dk/products/645510419-fire-boltt-onyx-36-3mm-amoled-always-on-display-smart](https://www.desertcart.dk/products/645510419-fire-boltt-onyx-36-3mm-amoled-always-on-display-smart)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-27*