| key specs |
| Strap Colour | Frozen Silver, Thunder Black, and Volcanic Orange | Jet Black, Royal Blue, Mist Grey, Olive Green |
| Display Size | 36mm | 45mm |
| Compatible OS | Android, iOS | Android, iOS |
| Dial Shape | Round | Square |
| Display Type | Super AMOLED | AMOLED |
| Strap Material | - | Silicone |
| Ideal For | - | Unisex |
| general |
| Brand | Boult Audio | Noise |
| Model | Crown R PRO | ColorFit Ultra 2 LE |
| Release date | June 19, 2023 | July 23, 2022 |
| Model Name | Crown R Pro | ColorFit Ultra 2 LE |
| Dial Colour | Black | Jet Black, Royal Blue, Mist Grey, Olive Green |
| Dial Shape | Round | Square |
| Strap Colour | Frozen Silver, Thunder Black, and Volcanic Orange | Jet Black, Royal Blue, Mist Grey, Olive Green |
| Water Resistant | IP67 | Yes |
| Strap Material | - | Silicone |
| Size | - | Regular |
| Touchscreen | - | Yes |
| Ideal For | - | Unisex |
| dimensions |
| Width | 47 | 364 |
| Height | 46 | 44.1 |
| Thickness | 13 | 10.6 |
| Weight (g) | 56.50 | 39.00 |
| product details |
| Sensor | SpO2 sensor, Heart Rate tracker, Sleep tracker, Female health tracker | Optical Heart Rate, Accelerometer, SpO2 |
| Compatible Device | Android, iOS | - |
| Notification | Yes | - |
| Notification Type | Smart Notification | - |
| Battery Type | Lithium Ion | 230 |
| Battery Life | 5 Days | 7 days |
| Charge Time | 2.5 hours | 2 hours |
| Charger Type | Magnetic Charger | - |
| Rechargeable Battery | Yes | Yes |
| connectivity features |
| Bluetooth | Bluetooth | Yes |
| Bluetooth Version | Bluetooth 5.2 | v5.1 |
| platform and storage features |
| Compatible Operating System | Android, iOS | Android, iOS |
| camera and display features |
| Display Resolution | 466x466 pixels | 368x448 |
| Display Size | 36mm | 45mm |
| Display Type | Super AMOLED | AMOLED |
| Other Display Features | 600 nits brightness, Always-on Display | - |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Number of Buttons | 1 | - |
| Other Fitness Features | Activity Tracker, Breathe, Voice Assistance, Sedentary Reminder, Sleep Monitor, 123+ sports modes | - |
| Other Watch Functions | Alarm Clock, Bluetooth Calling, Voice Assistance, In Built Mic & Speaker, Music Player, Notifications, Phone Call, 150+ watch faces, Find My Feature | - |
| audio and video features |
| Speaker | Yes | - |
| Microphone | Yes | - |