| key specs |
| Strap Colour | Carbon, Lunar White | Brown |
| Compatible OS | Android, iOS | - |
| Dial Shape | Square | Round |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | Men |
| Strap Material | - | Leather |
| general |
| Brand | Fitbit | Huami |
| Model | Sense | Zepp Z |
| Release date | August 25, 2020 | November 18, 2020 |
| Model Name | Sense | Zepp Z |
| Dial Shape | Square | Round |
| Size | Regular | - |
| Touchscreen | Yes | - |
| Water Resistant | Yes | 5ATM |
| Water Resistance Depth | 50 meters | - |
| Ideal For | Unisex | Men |
| Strap Colour | Carbon, Lunar White | Brown |
| Strap Material | - | Leather |
| Dial Material | - | Titanium Aallow |
| 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 | PPG bio trakcing sensor, optical sensor, geomagnetic sensor, gyroscope, capacitive sensor, air pressure sensor, accelerometer, ambient light senso |
| Compatible Device | Mac OS X 12.2 and up, iPhone 5S and later, iPad 5 gen. and later, Android 7.0 and later | Android 5.0 and iOS 10.0 and above |
| Battery Type | Lithium-polymer | - |
| Battery Life | Around 6 days | 30 Days |
| Closure | - | Classic Pin Buckle |
| Notification | - | Yes |
| Notification Type | - | Email, App Alerts, Chat Alerts, Call Alerts |
| Charge Time | - | 2.5 Hours |
| Charger Type | - | Wireless Magnetic Charger |
| Rechargeable Battery | - | Yes |
| connectivity features |
| Call Function | Yes | - |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5 | 5.0 |
| Wi-Fi | Yes | - |
| GPS | Yes | Yes |
| Other Connectivity Features | NFC | - |
| platform and storage features |
| Compatible Operating System | Android, iOS | - |
| Internal Memory | - | 16MB |
| camera and display features |
| Display Type | AMOLED | AMOLED |
| Display Resolution | - | 454x454 |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | - |
| Calendar | Yes | - |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | English |
| Number of Buttons | - | 3 |
| Other Fitness Features | - | 12 Sports Modes |
| Other Watch Functions | - | SpO2 Monitor, Stress Monitor, Sleep Quality Monitor |
| audio and video features |
| Speaker | Yes | - |
| Microphone | Yes | Yes |
| dimensions |
| Width | - | 46.3 |
| Height | - | 46.3 |
| Thickness | - | 10.75 |
| Weight (g) | - | 40.00 |