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The Fire-Boltt Onyx is a premium 36.3mm AMOLED smartwatch featuring a high-resolution 466x466 always-on display, Bluetooth calling, and a durable zinc alloy steel design. It supports over 300 sports modes, offers up to 5 days of battery life, and is IP67 rated for water and dust resistance. With 4GB storage and 130+ customizable watch faces, it perfectly balances fitness, connectivity, and fashion for the modern professional.

| Brand | Fire-Boltt |
| Manufacturer | Fire-Boltt, Savex Technologies Pvt Ltd |
| Series | Onyx |
| Colour | ONYX |
| Item Height | 46.6 Millimeters |
| Item Width | 41.6 Millimeters |
| Standing screen display size | 1.43 Inches |
| Product Dimensions | 1.16 x 4.16 x 4.66 cm; 300 g |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Item model number | BSW183 |
| Wireless Type | Bluetooth |
| Power Source | Battery Powered |
| 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 |
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