| key specs |
| Strap Colour | Black, Blue, Purple | Obsidian Black, Morning Glow Gold, and Cloud Water Blue |
| Dial Shape | Rectangle | Square |
| Display Type | AMOLED | AMOLED |
| Ideal For | Unisex | - |
| Display Size | - | 45mm |
| Compatible OS | - | Android, iOS |
| general |
| Brand | Honor | Honor |
| Model | Band 9 | Watch 4 |
| Release date | March 18, 2024 | July 12, 2023 |
| Model Number | RHE-B19 | - |
| Model Name | Honor Band 9 | Honor Watch 4 |
| Dial Colour | Black | Black |
| Dial Shape | Rectangle | Square |
| Strap Colour | Black, Blue, Purple | Obsidian Black, Morning Glow Gold, and Cloud Water Blue |
| Size | Regular | - |
| Touchscreen | Yes | - |
| Water Resistant | 5 ATM | 5ATM |
| Usage | Regular | - |
| Ideal For | Unisex | - |
| dimensions |
| Width | 43 | 39.1mm |
| Height | 27.88 | 45.3mm |
| Diameter | 9.49 | - |
| Weight (g) | 16.30 | 48.00 |
| Thickness | - | 11.2mm |
| product details |
| Sensor | Heart rate, blood oxygen saturation, sleep, accelerometer, gyroscope | SpO2 sensor, Heart Rate tracker, Sleep tracker, Accelerometer, gyroscope sensor, geomagnetic sensor, ambient light sensor |
| Battery Type | 180 | Lithium Polymer |
| Battery Life | 14 days | 10 days |
| Charger Type | Magnetic Pogo pin | Magnetic Charger |
| Rechargeable Battery | Yes | Yes |
| Compatible Device | - | Android, iOS |
| Notification | - | Yes |
| Notification Type | - | Smart Notification |
| Talk time | - | 10-days |
| Charge Time | - | 2 hours |
| connectivity features |
| Bluetooth | Yes | Bluetooth |
| Bluetooth Version | 5.3 | Bluetooth 5.2 |
| Call Function | - | Yes |
| Wi-Fi | - | Yes |
| GPS | - | Yes |
| Other Connectivity Features | - | Beidou, GPS, GLONASS, GALILEO, QZSS |
| platform and storage features |
| Operating System | RTOS | MagicOS version: 7.2 |
| RAM | 4MB | - |
| Internal Memory | 48MB | - |
| Compatible Operating System | - | Android, iOS |
| camera and display features |
| Display Resolution | 256 x 402 | 390*450 |
| Display Type | AMOLED | AMOLED |
| Other Display Features | 1.57 | Capacitive touch screen |
| Display Size | - | 45mm |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Calendar | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | - |
| Calorie Count | - | Yes |
| Compass | - | Yes |
| Alarm Clock | - | Yes |
| Chronograph | - | Yes |
| Number of Buttons | - | 1 |
| Other Fitness Features | - | Activity Tracker, Breathe, 97 Sports Mode Tracking, Calorie Tracker |
| Other Watch Functions | - | Alarm Clock, Bluetooth Calling, Voice Assistance, In Built Mic & Speaker, Calculator, Music Player, Notifications, Phone Call |
| audio and video features |
| Microphone | - | Yes |