| Brand | COLMI |
| Model | C81 |
| Device Type | Smart Watch |
| Release Date | 06 September 2023 |
| Status | Available |
| Operating System | Android |
| OS Version | v4.4 |
| Chipset | RTL8763EWE-VP |
| Display Type | AMOLED |
| Screen Size | 2 inches |
| Resolution | 410x502 pix |
| Height | 47 mm |
| Width | 40 mm |
| Thickness | 11 mm |
| Build | Watch: Zinc alloy + iML, Watchband: Silicone strap |
| Colors | Black, Gold, Orange |
| Waterproof | Water resistant |
| IP Rating | IP68 |
| Text Message | Yes |
| Incoming Call | Yes |
| Alarm | Yes |
| Calendar Reminder | Yes |
| Timer | Yes |
| Weather | Yes |
| Battery type | Li-Poly (Lithium Polymer) |
| Capacity | 250 mAh |
| Quick Charging | 2pin magnetic Cable |
| StandBy Time | 5 to 7days |
| Internal Storage | 128 MB |
| RAM | 640 KB |
| Bluetooth | v5.0 |
| Made By | China |
| Features | User Interface, Telephone, Contact, Call records, Voice assistant, Step data, Workout*, Workout records, Heart rate, Sleep, Blood oxygen, Messages, Weather, Physiological cycle, Music, Breath training, Stopwatch, Timer, Alarm clock, Collection code, Busin |
