Price: $43.99
(as of Sep 15,2021 19:51:51 UTC – Details)

Product Description


Full-day Heart Rate

If you need automatic 24-hour heart rate monitoring, please turn on the full-day heart rate in the “Da Fit” app (Device—Others—Full-day Heart Rate). The smartwatch automatically monitors your heart rate every 30 minutes.

Raise wrist to wake screen

Make sure turn on the quick view on DaFit App, then you can raise your wrist to wake the screen instead of pressing the home button every time to light up screen.

Specify App: DaFit

This C17 watch only support “Da Fit”app, the message SNS SMS Calls Notifications can not be used until the watch paired with the “DaFit”app. Just only for “Da Fit” app suitable. And also not support connect to the Google Fit!

Smart Notifications

Please note the smart watch can not reply message or make calls, just to hang up the calls.

Warm Tips:

Please don’t operate the smartwatch when it’s charging.Please note, this watch can’t track your swimming data.Please note the watch does not prevent hot water and sea water, it may damage the watch.Please don’t wear the watch too tight, remove your watch regularly, to give your wrist a break.Please note the measurement data of the smart watch is for reference only, cannot be used for medical purposes.

Product DisplayProduct Display


Compatible system: Android 6.0&IOS 9.0 or above

Display: 1.71 inch Full Touch Screen

Battery Capacity : 220 mAh

Charging Time: 2 hours

Working Time: 7 days

Standby Time: 25-30 days

Resolution: 280*320

Strap width : 22 mm ( support replacement strap)

#How to connect?

1.Charge the watch to activate first when you receive it.

2.Download the App ‘DaFit’ (via scan the QR code in the manual), then enter the App to fill in your personal profile (height,weight,birthday,etc) to get more accurate experiences.

3. Connect with DaFit App, can not connect directly with the phone bluetooth! Open the App, click “Add a device”, then choose “C17” to bind.

#Package List

COOLHILLS Smart Watch*1User Manual*1USB Magnetic Charging Cable*1#NOTE:For iPhone, make sure if the phone bluetooth is connected with the watch first, if yes, please choose “ignore the device” in your phone bluetooth paired list, then go to the DaFit App to proceed. And need allow “C17” to paired with your iphone.

Music controlMusic control

Music control

Switch your music easily through this watch.

Help you control the music playing on your phone (play, skip or pause the song) when you on road or workout.

No need to grab the phone all the time.

Note: This watch cannot play music by itself.

Battery life

Battery life

Find Device

Find Device





Long Battery Life

Super long battery life, 25-30 days standby time and 7 days usage time only 2 hours charging. It can satisfy you various usage needs, no need to charge frequently.

Find Device

When you forget where the watch is, you can turn on the switch”Find Device”on the app,the watch will vibrating to let you find it easily.

Personalized Watch Face

Up to 73 different watch faces for you. It is available for you to choose the one you like from the APP, or you also can set your own favorite photos as watch face.

Sleep Monitor

Automatically monitor and analyze your sleep status and quality. Make sure to wear the watch when you are sleeping, it will record your deep/light time of sleep automatically.

remote photographyremote photography

Remote Photography

Use the smart watch to remote camera to record the beautiful moments of you or your friends

Just connected the phone. To free your hands.

-Please open photo app to see the shooting page

-Switch the watch to shutter page

-Just click to shutter

Sport ModesSport Modes


Q: How to be detected when pairing with the phone bluetooth?

1. Activate the bluetooth of the phone first, and make sure the phone within “system support”range(IOS 9.0 & higher, Android 6.0 & higher, Bluetooth 5.0).

2. The distance between the watch and your phone need within 0.5m when pairing. After paired, please note the communication of Bluetooth is within 10m. If beyond, it will get disconnected, then you need re-bind the phone with your watch.

3. Or try to restart the phone, turn off the bluetooth then open again, bind again,if still can’t be detected.

Q: How to get message notifications on the watch?

1.Keep connect the watch with DaFit App, and make the app running in the background to receive notifications.

2.Active the notification permission on your phone to allow DaFit APP to read all notifications.

3.Turn on the switch to sync related information to the watch: DaFit ->”Notifications”. You can choose the App(on the Notification List) that you want to receive notifications on watch.

Note: If your iphone is IOS13 or above, please open the sharing system notification.

Q: How to sync the weather?

1.Make sure the watch connect with the DaFit app, the weather will update automatically every hour after connect.

2.Or enter the Da Fit App–>Choose “Others”–> Select “weather”–>Choose the city. You also can switch the Celsius or Fahrenheit as your needs.

Note: Sync the weather data must be open the weather function and your phone GPS positioning. iPhone must provide the DaFit app with location permission.

Up to 20 Modes Sports: C17 fitness tracker has 20 modes sports: Football, Skiing, Rowing machine, Swimming, Elliptical etc, which can satisfy your various sports style. After connect DaFit app, you can real-time track your data during running such as step, distance, calories, BPM. You also can see your sport route on DaFit App. Besides, you can even use the C17 sports watch to control music,check weather, bring you better sport experience!
1.71″ Full Touch Screen & 73 Different Customized Dial: C17 smart watch adopt 1.71″ Full Touch TFT Screen with 280*320 resolution ratio offers excellent image quality.Bring you better visual effects. Full-Touch high-sensitivity screen allows you to switch at will effortlessly and no lag. C17 smartwatch offer up to 73 different watch dial for you. Do you want to set the watch dial freely? Yes! C17 smartwatch can also support set you favorite picture in the phone as the watch dial!
Start Intelligent Life: C17 activity trackers support to SMS & SNS notification.Such as Incoming call, Message, Facebook, WhatsApp, Twitter,Instagram etc. Wear it! You won’t miss whatever information even your phone is not around. In addition, C17 smartwatch built-in 220mAh battery. Up to 25 days standby time and 7 days usage time only 2 hours charging. It can satisfy your various usage needs, no need to charge frequently.
IP68 Waterproof & Multiple Functions: C17 fitness trackers support IP68 waterproof. You can wear it to washing hand or even swimming without worrying about flooded damaged(Note: the watch does not prevent hot water and sea water). This C17 smartwatch compatibility with Android6.0&IOS9.0 and above and Bluetooth 5.0. After connectted DaFit app, you will get more function. Such as music control, find device, alarm clock, remote photography etc. Bring you more intelligent experience.