| key specs |
| Display Size | 49mm | - |
| Compatible OS | iOS | - |
| Dial Shape | Rectangle | Round |
| Display Type | OLED Retina | AMOLED |
| Ideal For | Unisex | Men |
| Strap Colour | - | Brown |
| Strap Material | - | Leather |
| general |
| Brand | Apple | Huami |
| Model | Watch Ultra 2 | Zepp Z |
| Release date | September 12, 2023 | November 18, 2020 |
| Model Name | Watch Ultra 2 | Zepp Z |
| Dial Shape | Rectangle | Round |
| Size | Large | - |
| Touchscreen | Yes | - |
| Water Resistant | Yes | 5ATM |
| Water Resistance Depth | 100m | - |
| Usage | Fitness & Outdoor | - |
| Ideal For | Unisex | Men |
| Strap Material | - | Leather |
| Dial Material | - | Titanium Aallow |
| Strap Colour | - | Brown |
| product details |
| Maximum Operating Altitude | 9000 | - |
| Sensor | Compass, Always-On Altimeter, heart rate sensor, Accelerometer, Gyroscope, and Ambient light sensor | PPG bio trakcing sensor, optical sensor, geomagnetic sensor, gyroscope, capacitive sensor, air pressure sensor, accelerometer, ambient light senso |
| Compatible Device | iOS | Android 5.0 and iOS 10.0 and above |
| Notification | Yes | Yes |
| Battery Type | Lithium Ion | - |
| Battery Life | 36 Hours | 30 Days |
| Rechargeable Battery | Yes | Yes |
| Closure | - | Classic Pin Buckle |
| Notification Type | - | Email, App Alerts, Chat Alerts, Call Alerts |
| Charge Time | - | 2.5 Hours |
| Charger Type | - | Wireless Magnetic Charger |
| connectivity features |
| Call Function | Yes | - |
| Bluetooth | Yes | Yes |
| Wi-Fi | Yes | - |
| GPS | Yes | Yes |
| Call Features | International Emergency Calling | - |
| Other Connectivity Features | Emergency SOS | - |
| Bluetooth Version | - | 5.0 |
| platform and storage features |
| Operating System | watchOS 10 | - |
| Compatible Operating System | iOS | - |
| Processor Name | S9 SiP | - |
| Internal Memory | - | 16MB |
| camera and display features |
| Display Size | 49mm | - |
| Display Type | OLED Retina | AMOLED |
| Backlight Display | Yes | - |
| Other Display Features | LTPO OLED Always-On Retina display | - |
| Display Resolution | - | 454x454 |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | - |
| Compass | Yes | - |
| Calendar | Yes | - |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | English |
| Other Fitness Features | Blood Oxgen Sensor, ECG sensor | 12 Sports Modes |
| Number of Buttons | - | 3 |
| 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 |