| key specs |
| Strap Colour | Carbon, Lunar White | Brown, Orange |
| Compatible OS | Android, iOS | Android, iOS |
| Dial Shape | Square | Round |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | - |
| Display Size | - | 42mm |
| general |
| Brand | Fitbit | Vivo |
| Model | Sense | Watch (42mm) |
| Release date | August 25, 2020 | September 22, 2020 |
| Model Name | Sense | Watch |
| Dial Shape | Square | Round |
| Size | Regular | Regular |
| Touchscreen | Yes | Yes |
| Water Resistant | Yes | 5 ATM |
| Water Resistance Depth | 50 meters | - |
| Ideal For | Unisex | - |
| Strap Colour | Carbon, Lunar White | Brown, Orange |
| Interchangeable Strap | - | Yes |
| Dial Material | - | Stainless Steel |
| Dial Colour | - | Mocha Brown, Black |
| product details |
| 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 | 5-core Optical heart rate monitor, Blood Oxygen sensor, Accelerometer, Gyroscope, Air pressure sensor, Altitude sensor, Ambient Light sensor, Geomagnetic sensor |
| Compatible Device | Mac OS X 12.2 and up, iPhone 5S and later, iPad 5 gen. and later, Android 7.0 and later | Android, iOS |
| Battery Type | Lithium-polymer | - |
| Battery Life | Around 6 days | 9 days |
| Notification | - | Yes |
| Charger Type | - | Magnetic |
| Rechargeable Battery | - | Yes |
| connectivity features |
| Call Function | Yes | - |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5 | 5.0 |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| Other Connectivity Features | NFC | Glonass, Galileo, Beidou |
| platform and storage features |
| Compatible Operating System | Android, iOS | Android, iOS |
| RAM | - | 2GB |
| Processor Name | - | ST miniature main control chip + Apollo ultra-low power coprocessor |
| camera and display features |
| Display Type | AMOLED | AMOLED |
| Display Resolution | - | 390x390 |
| Display Size | - | 42mm |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | - |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | - |
| Compass | - | Yes |
| Number of Buttons | - | 2 |
| Other Fitness Features | - | Intelligent exercise recognition, outdoor running, indoor running, outdoor walking, swimming, cycling, indoor cycling, mountain climbing, trail running, elliptical machine, free training, high-intensity interval training |
| audio and video features |
| Speaker | Yes | - |
| Microphone | Yes | - |
| dimensions |
| Width | - | 42 |
| Height | - | 42 |
| Thickness | - | 9.7 |
| Weight (g) | - | 35.60 |