| key specs |
| Strap Colour | Grey | Brown |
| Display Size | 36mm | - |
| Strap Material | Stainless Steel | Leather |
| Dial Shape | Round | Round |
| Display Type | AMOLED | AMOLED |
| Ideal For | Men | Men |
| general |
| Brand | Fastrack | Huami |
| Model | Revoltt FR2 Pro | Zepp Z |
| Model Number | 38156QM01 | - |
| Model Name | Revoltt FR2 Pro | Zepp Z |
| Dial Shape | Round | Round |
| Strap Colour | Grey | Brown |
| Strap Material | Stainless Steel | Leather |
| Touchscreen | Yes | - |
| Water Resistant | Yes | 5ATM |
| Water Resistance Depth | 1.5 m | - |
| Usage | Fitness & Outdoor | - |
| Ideal For | Men | Men |
| Release date | - | November 18, 2020 |
| Dial Material | - | Titanium Aallow |
| dimensions |
| Weight (g) | 117.00 | 40.00 |
| Width | - | 46.3 |
| Height | - | 46.3 |
| Thickness | - | 10.75 |
| product details |
| Sensor | Accelerometer | PPG bio trakcing sensor, optical sensor, geomagnetic sensor, gyroscope, capacitive sensor, air pressure sensor, accelerometer, ambient light senso |
| Notification | Call Notifications , Call Answer & Reject, Call Mute, Social Media Notifications, SMS Notifictaions, Other App Notification | Yes |
| Notification Type | Ring, Vibration | Email, App Alerts, Chat Alerts, Call Alerts |
| Battery Type | Lithium Polymer | - |
| Battery Life | 5 Day | 30 Days |
| Charge Time | 120 min | 2.5 Hours |
| Charger Type | Pogo Pin Charging Cable | Wireless Magnetic Charger |
| Rechargeable Battery | Yes | Yes |
| Closure | - | Classic Pin Buckle |
| Compatible Device | - | Android 5.0 and iOS 10.0 and above |
| connectivity features |
| Call Function | Yes | - |
| Bluetooth | Yes | Yes |
| Bluetooth Version | V5.3 | 5.0 |
| Messaging Support | Yes | - |
| Operating Range | 10 m | - |
| Call Features | Call Answer, Call Reject, Call Mute, Call Notifications, Quick Replies (Android) | - |
| GPS | - | Yes |
| platform and storage features |
| RAM | 128MB | - |
| Internal Memory | - | 16MB |
| camera and display features |
| Display Resolution | 466x466 Pixel | 454x454 |
| Display Size | 36mm | - |
| Display Type | AMOLED | AMOLED |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Compass | No | - |
| Calendar | Yes | - |
| Alarm Clock | Yes | Yes |
| Language | English | English |
| Other Watch Functions | Calculator, AI Voice Assistant, One Click Measurement with 24x7 HRM, Auto Stress Monitor, SpO2 and Sleep Monitor with REM, Music and Camera Control, Built-In Games, Alarm, Stopwatch and Timer,Functional Crown | SpO2 Monitor, Stress Monitor, Sleep Quality Monitor |
| Date & Time Display | - | Yes |
| Number of Buttons | - | 3 |
| Other Fitness Features | - | 12 Sports Modes |
| audio and video features |
| Speaker | Yes | - |
| Microphone | Yes | Yes |
| Voice Control | Yes | - |