| key specs | 
| Strap Colour | Black, Orange, Yellow and Blue | Charcoal Black, Champagne Grey, Olive Green | 
| Display Size | 50mm | 44mm | 
| Compatible OS | Android, iOS | - | 
| Strap Material | Silicone | Silicone | 
| Dial Shape | Square | Rectangle | 
| Ideal For | - | Unisex | 
| general | 
| Brand | Boult Audio | Noise | 
| Model | Crown | ColorFit Ultra Buzz | 
| Release date | July 13, 2023 | April 26, 2022 | 
| Model Name | Crown | Noise ColorFit Ultra Buzz | 
| Dial Colour | Black | Black | 
| Dial Shape | Square | Rectangle | 
| Strap Colour | Black, Orange, Yellow and Blue | Charcoal Black, Champagne Grey, Olive Green | 
| Strap Material | Silicone | Silicone | 
| Touchscreen | Yes | - | 
| Water Resistant | IP67 | Yes | 
| Dial Material | Metal | Plastic | 
| Size | - | Large | 
| Interchangeable Strap | - | Yes | 
| Water Resistance Depth | - | IP68 | 
| Usage | - | Fitness & Outdoor | 
| Ideal For | - | Unisex | 
| dimensions | 
| Height | 6mm | 38.6 | 
| Width | - | 46.6 | 
| Thickness | - | 11.9 | 
| Weight (g) | - | 42.50 | 
| product details | 
| Sensor | SpO2 sensor, Heart Rate tracker, Sleep tracker, Female health tracker | - | 
| Compatible Device | Android, iOS | Android, iOS | 
| Notification | Yes | Call, Text, Social Media | 
| Notification Type | Smart Notification | Vibration | 
| Battery Type | Lithium Ion | 300 | 
| Battery Life | 7 Days | 5 Days | 
| Charge Time | 2.5 hours | 2.5 | 
| Rechargeable Battery | Yes | Yes | 
| Other Features | Inbuilt Alarm Clock, A Timer, A Stopwatch, Weather Monitoring, Sedentary Reminders And Inbuilt Mini Games | - | 
| Closure | - | Strap Buckle | 
| Stand By Time | - | 45 Days | 
| connectivity features | 
| Call Function | Yes | Yes | 
| Bluetooth | Bluetooth | Yes | 
| Bluetooth Version | Bluetooth 5.2 | 5.1 | 
| Messaging Support | - | Yes | 
| platform and storage features | 
| Compatible Operating System | Android, iOS | - | 
| camera and display features | 
| Display Resolution | 240 x 283 | 320x385 | 
| Display Size | 50mm | 44mm | 
| Other Display Features | 900 nits brightness | - | 
| fitness and watch functions | 
| Step Count | Yes | Yes | 
| Calorie Count | Yes | - | 
| Heart Rate Monitor | Yes | Yes | 
| Calendar | Yes | Yes | 
| Alarm Clock | Yes | Yes | 
| Date & Time Display | Yes | Yes | 
| Number of Buttons | 2 | 1 | 
| Other Fitness Features | Activity Tracker, Breathe, Sedentary Reminder, Sleep Monitor, 100 sports modes | Sleep Monitoring, Blood Oxygen Monitor, 24x7 Heart Rate Monitor | 
| Other Watch Functions | Alarm Clock, Bluetooth Calling, Voice Assistance, In Built Mic & Speaker, Notifications, 150+ watch faces, Find My Feature | - | 
| audio and video features | 
| Speaker | Yes | Yes | 
| Microphone | Yes | Yes |