SKY 4 Smartwatch

Get empowered to make a change and embrace your fitness goals with activity tracker and sleep tracking, calories burned & more on easy-to-use COLMI SKY 4.

  • Sports: Activity tracking, IP67 waterproof, 9 sports modes, sports data report.
  • Health: Heart tate tracker, sleep analysis, health care.
  • Life: Information notification, alarm clock.

With a battery life up to 5 days, keep the inspiration coming day and night.

Heart Rate Monitor

Record your heart rate status and make your sports healthier.

COLMI sky 4 Smart Watch

Activity reminder:

Prevent potential diseases caused by long-term sitting during work.

COLMI sky 4 Smart Watch

Sleep Tracking

Wear Sky 4 while you sleep to automatically monitor your sleep and let you know the recent sleep quality.

COLMI sky 4 Smart Watch

Information reminder:

SKY 4 will remind the incoming calls.Real-time reminders from message, emails, Facebook, Twitter etc. Ensure you never miss a message.

COLMI sky 4 Smart Watch


Show your newest weather information & help you choose a better sport.

COLMI sky 4 Smart Watch

Multi-sports mode

Record your full-day steps, activity distance and calorie consumption in real time, scientifically detect your exercise status and help you adjust your exercise intensity.

COLMI sky 4 Smart Watch



You can wear it to take part in sports like a professional athletes.

COLMI sky 4 Smart Watch

Sports data report:

You can not only connect the phone to display the movement data, but also display the movement data independently.

COLMI sky 4 Smart Watch

You can get time even in the sunlight. The backlight makes it user-friendly.

COLMI sky 4 Smart Watch

IP67 Waterproof:

Wash hands, be exposed to the rain, take a shower and swimming are OK. Do not push the button while the watch under the water.

COLMI sky 4 Smart Watch


Wireless connectivity
Bluetooth 4.0 or above
Android 4.4, iOS 9.0 or above
APP Name
English, Русский, Español, Italiano, Français, Deutsch, 日本語, 简体中文

Technical Parameters

Heart-rate Sensors, Proximity Sensor, Accelerometer
Touchscreen type
Touch Screen
Screen Size: 1.54 inch
Display Type: IPS
Resolution: 240*240 RGB
Screen protection: Glass
Battery Capacity: 180 mAh
Standby Time: Up to 30 days
Using time: About 5 days
Charging Time: About 2 hours
Charging Type: Magnetic charging
Water Resistance Rating


Sport Functions
9 workout modes: walking, running, Swimming, mountain climbing, cycling, skipping, badminton, basketball, football; Count steps, distance, and calories burned
Health monitoring
Workout completion notifications, goal setting, sleep monitoring, heart rate monitoring, all-day heart rate checking, Blood Pressure Monitor
Other features
Alarm, proximity sensor, pre-set watch face, customizable watch face, timer, stopwatch, call notifications, message notifications, calendar notifications, app notifications, weather forecast, find my phone, Do not disturb mode , music controls, battery level display, different ways to wear, OTA updates

Appearance & Details

Watch Strap
Type: Removable watch strap
Material: silicone
Width: 22mm
Weight: about 11g
Adjustable length: 155 - 235mm
Body material: alloy
Weight: about 59g
Body length: 48mm
Body width: 48mm
Device thickness: 10mm
Operating temperature: -10℃~50℃

Package contents

Package contents
1 x USB cable
1 x User manual