Noise Halo 2 vs Redmi Watch 4 comparison
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| key specs |
| Strap Colour | Brown | - |
| Display Size | 36mm | - |
| Strap Material | Leather | - |
| Dial Shape | Round | Rectangle |
| Display Type | AMOLED | AMOLED |
| Ideal For | Men | Unisex |
| general |
| Brand | Noise | Redmi |
| Model | Halo 2 | Watch 4 |
| Model Name | Halo 2 | Redmi Watch 4 |
| Dial Colour | Silver | Black, White |
| Dial Shape | Round | Rectangle |
| Strap Colour | Brown | - |
| Strap Material | Leather | - |
| Size | Regular | Regular |
| Touchscreen | Yes | Yes |
| Water Resistant | Yes | 5 ATM |
| Water Resistance Depth | 1 m | - |
| Usage | Fitness & Outdoor | - |
| Dial Material | Metal | - |
| Ideal For | Men | Unisex |
| Release date | - | November 29, 2023 |
| product details |
| Sensor | Heart Rate, SpO2 | acceleration, gyro, geomagnetic, ambient light and optical heart rate and blood oxygen sensors |
| Notification | Yes | - |
| Battery Life | Upto 7 Days | 20 days |
| Rechargeable Battery | Yes | Yes |
| Battery Type | - | 470mAh |
| connectivity features |
| Call Function | Yes | - |
| Bluetooth | Yes | Yes |
| Operating Range | 10 m | - |
| Bluetooth Version | - | 5.3 |
| Wi-Fi | - | Yes |
| camera and display features |
| Display Resolution | 466x466pixels | 390 x 450 |
| Display Size | 36mm | - |
| Display Type | AMOLED | AMOLED |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Number of Buttons | 1 | One |
| Compass | - | Yes |
| Calendar | - | Yes |
| Language | - | Simplified Chinese, Traditional Chinese, English |
| Other Fitness Features | - | Stress tracker, SpO2, Menstrual cycle monitoring |
| audio and video features |
| Speaker | Yes | - |
| Microphone | Yes | - |
| dimensions |
| Width | - | 47.58 |
| Height | - | 41.12 |
| Thickness | - | 10.5 |
| Weight (g) | - | 31.50 |
| platform and storage features |
| Operating System | - | HyperOS |
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