| key specs |
| Strap Colour | Black, Green, Yellow, Gold | Carbon, Lunar White |
| Ideal For | Unisex | Unisex |
| Compatible OS | - | Android, iOS |
| Dial Shape | - | Square |
| Display Type | - | AMOLED |
| general |
| Brand | Xiaomi | Fitbit |
| Model | Mi Band 8 | Sense |
| Release date | April 18, 2023 | August 25, 2020 |
| Model Number | M2239B1 | - |
| Dial Colour | Black | - |
| Strap Colour | Black, Green, Yellow, Gold | Carbon, Lunar White |
| Touchscreen | 1.62 | Yes |
| Interchangeable Strap | Yes | - |
| Water Resistant | 5 ATM | Yes |
| Usage | Regular | - |
| Ideal For | Unisex | Unisex |
| Model Name | - | Sense |
| Dial Shape | - | Square |
| Size | - | Regular |
| Water Resistance Depth | - | 50 meters |
| dimensions |
| Width | 22.5 | - |
| Height | 48 | - |
| Thickness | 10.99 | - |
| Weight (g) | 27.00 | - |
| product details |
| Sensor | optical heart rate and blood oxygen sensor, six-axis motion sensor | Multi-path optical heart rate sensor, Multipurpose electrical sensors compatible with EDA Scan app, Gyroscope, Altimeter, 3-axis accelerometer, Skin temperature sensor, Ambient light sensor |
| Battery Type | 190mAh | Lithium-polymer |
| Battery Life | 16 days | Around 6 days |
| Charge Time | 1 hour | - |
| Rechargeable Battery | Yes | - |
| Compatible Device | - | Mac OS X 12.2 and up, iPhone 5S and later, iPad 5 gen. and later, Android 7.0 and later |
| connectivity features |
| Call Function | No | Yes |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.1 | 5 |
| Wi-Fi | - | Yes |
| GPS | - | Yes |
| Other Connectivity Features | - | NFC |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | Yes |
| Compass | Yes | - |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Chronograph | Yes | - |
| Date & Time Display | Yes | Yes |
| Language | Simplified Chinese, Traditional Chinese, English | English |
| platform and storage features |
| Compatible Operating System | - | Android, iOS |
| camera and display features |
| Display Type | - | AMOLED |
| audio and video features |
| Speaker | - | Yes |
| Microphone | - | Yes |