| key specs |
| Strap Colour | Black, Green, Yellow, Gold | Black |
| Ideal For | Unisex | Unisex |
| Display Size | - | 30mm |
| Compatible OS | - | iOS, Android |
| Strap Material | - | Silicone |
| Dial Shape | - | Round |
| Display Type | - | AMOLED |
| general |
| Brand | Xiaomi | Puma |
| Model | Mi Band 8 | Smartwatch |
| Release date | April 18, 2023 | - |
| Model Number | M2239B1 | PT9100 |
| Dial Colour | Black | Black |
| Strap Colour | Black, Green, Yellow, Gold | Black |
| Touchscreen | 1.62 | Yes |
| Interchangeable Strap | Yes | - |
| Water Resistant | 5 ATM | Yes |
| Usage | Regular | Fitness & Outdoor |
| Ideal For | Unisex | Unisex |
| Model Name | - | PT9100 |
| Dial Shape | - | Round |
| Strap Material | - | Silicone |
| Size | - | Regular |
| Water Resistance Depth | - | 50m |
| Dial Material | - | Aluminium |
| dimensions |
| Width | 22.5 | - |
| Height | 48 | - |
| Thickness | 10.99 | - |
| Weight (g) | 27.00 | 95.00 |
| product details |
| Sensor | optical heart rate and blood oxygen sensor, six-axis motion sensor | Accelerometer, Altimeter, Ambient Light, Gyroscope, Heart Rate Sensor, Microphone, NFC, Untethered GPS |
| Battery Type | 190mAh | Lithium Ion |
| Battery Life | 16 days | 1-2 days |
| Charge Time | 1 hour | 2hrs |
| Rechargeable Battery | Yes | Yes |
| Closure | - | Strap Buckle |
| Compatible Device | - | Android, iOS smartphones |
| Notification | - | Yes |
| Notification Type | - | Vibration |
| Charger Type | - | Wireless |
| connectivity features |
| Call Function | No | - |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.1 | 4.2 |
| GPS | - | Yes |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | - |
| Compass | Yes | - |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Chronograph | Yes | - |
| Date & Time Display | Yes | Yes |
| Language | Simplified Chinese, Traditional Chinese, English | English |
| Number of Buttons | - | 1 |
| Other Fitness Features | - | Activity Tracker (Distance, Steps, Calories Burned, Heart Rate) |
| Other Watch Functions | - | Smart Notifications (Text, Email, Social Media App Alerts), Alarm Clock, Calendar Alerts) |
| platform and storage features |
| Operating System | - | Wear OS |
| Compatible Operating System | - | iOS, Android |
| RAM | - | 512MB |
| Processor Name | - | Snapdragon Wear 3100 |
| Internal Memory | - | 4GB |
| camera and display features |
| Display Resolution | - | 390x390 pixels |
| Display Size | - | 30mm |
| Display Type | - | AMOLED |
| audio and video features |
| Microphone | - | Yes |
| Voice Control | - | Yes |