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.

Sports functions

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.

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

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

Health functions

Heart Rate Monitor: Record your heart rate status and make your sports healthier.

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

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

Daily functions

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

Weather: Show your latest weather information & help you choose a better sport.

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

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.



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: 1.52 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: 20mm
Weight: about 11g
Adjustable length: 135 - 230mm
Body material: alloy
Weight: about 54g
Body length: 52mm
Body width: 52mm
Device thickness: 10mm
Operating temperature: -10℃~50℃

Package contents

Package contents
USB cable X 1
User manual X 1