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Featuring a vibrant 2.0″ AMOLED display, Bluetooth calling, and all-in-one health tracking—designed to perform and look great every day.

Voice Assistant
COLMI C81 has the function of intelligent voice assistant, which is convenient for users to control by voice and realizes a simple and fast interactive experience.

Bluetooth call
COLMI C81 supports Bluetooth calls, which can directly answer and make calls after the mobile phone is connected, improving the convenience of communication.

Synchronize information
COLMI C81 can synchronize mobile phone information, view real-time messages through the watch, and avoid missing important notifications.

Measure sleep
COLMI C81 monitors the user's sleep quality, records deep sleep, light sleep and early morning wake-up time to improve the sleep experience.

Measure blood oxygen
COLMI C81 can measure the health status of blood oxygen. After connecting to APP, you can view detailed data and pay attention to your health.

Measure heart rate
COLMI C81 supports 24-hour heart rate monitoring, grasps heart rate changes in real time, and pays attention to the user's heart health.
COLMI C81 Smartwatch Spec
Base parameters
Brand COLMI
Product Name C81 Smartwatch
Colors Black, Gold, Orange
Connectivity Bluetooth 5.0
Display parameters
Screen size : 2.0 inch
Screen type : AMOLED
Resolution : 410*502 pixels
Touch type : Full screen touch
Software
App name : FitCloudPro
Compatibility : Android4.4 and above IOS8.0 and above HarmonyOS
Appearance & Details
Watch material : Zinc Alloy+iML
Watchband : Silicone strap
Strap width : 22mm
Assembly mode : Removable
Battery parameters
Type : Lithium polymer battery
Capacity : 250mAh
Protection IC : Seiko Y1
Charging method : 2pin Magnetic Cable
Charging time : About 2h
Using time : 5~7 days
Watch 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, Business card, Set time, Calculator, Calendar, Find phone, Menu style, Screen time, Power saving mode, Vibration intensity, Watch Faces, QR code, Date & Time, Password, System info, Shutdown, Reset
App features
Massive dial download, upload photos, step counting, heart rate, sleep, sedentary, mileage, blood oxygen, blood pressure, mobile search, calories, Bluetooth, information, wechat, QQ and other push, Search function, alarm setting, water drinking reminder, gesture intelligent control, do not disturb mode, reminder mode, Phone, SMS, wechat, QQ, Facebook, twitter, instagram, Skype, WhatsApp, line, kakao talk, others
COLMI C81 Smartwatch Spec
Frequently ask Questions about C81 Smartwatch
What features does the Colmi C81 smartwatch offer?
The Colmi C81 comes with a 2.0-inch HD display, Bluetooth calling, heart rate monitoring, SpO2 tracking, sleep tracking, and multiple sports modes. It also supports message notifications, custom watch faces, weather updates, and music control.
Is the Colmi C81 waterproof?
Yes, the Colmi C81 has an IP67 water-resistant rating, which means it can handle splashes and light rain. However, it’s not recommended for swimming or showering.
Can I make and receive calls using the Colmi C81?
Yes, the Colmi C81 supports Bluetooth calling. Once paired with your smartphone, you can make and receive calls directly from the watch using its built-in microphone and speaker.
How long does the battery last on the Colmi C81?
The Colmi C81 typically lasts around 3 to 5 days on a single charge, depending on your usage. Features like Bluetooth calling and continuous health monitoring can affect battery life.