Shenzhen Hongbo Intelligent Electronics Co Ltd HK21 Smart Watch User Guide

Shenzhen Hongbo Intelligent Electronics Co Ltd HK21 Smart Watch

Specifications

• Button
• Sport
• Activity
• Dial
• Heart rate
• Blood pressure
• Blood oxygen
• Message
• Sleep
• Weather
• Music
• Voice assistant
• Alarm clock
• Breathing training
• Stopwatch
• Calculator
• Calendar
• Settings

Product Usage Instructions

Precautions

1. Please do not disassemble, repair, or modify the product without authorization.
2. Please do not violently collide with the product to avoid damage to the product.
3. Please avoid strong magnetic fields, direct light, or high-temperature environments.
4. This product is not intended for disease diagnosis, treatment, or prevention.
5. The waterproof rating of this product is IP68, so avoid being immersed in water for a long time.
6. Avoid wearing the watch strap too tightly, and keep the contact area between the watch and your skin clean.
7. Children should use this product under the guidance of their parents to avoid harm.

Touch and Button

• Scroll down: Control Panel
• Swipe up : SMS notification
• Swipe right: split-screen function
• Swipe left: custom card

If it fails to turn on after long pressing the power button for 3 seconds, please charge it and try again.

Connect to phone

You will need to download and install the CO-FIT program on your phone. CO-FIT APP supports iOS 11.0 and Android 5.0.

1. Turn on Bluetooth on your phone, open the app, register and log in to the homepage.
2. Pair the watch with the APP. When pairing, please make sure that the watch and the APP can communicate with each other (synchronize data); open APP > Devices > Add New Device > select HK21
3. In the searched binding list, select HK21 with the strongest signal and click Pair. At this time, the colour of the Bluetooth icon on the watch is blue, indicating that you are connected to Bluetooth 5.0

Bluetooth 3.0 connection method:
iPhone users support Bluetooth 5.0+3.0 dual Bluetooth one-click link (follow the system prompt box when matching)

1. The Android user system will pop up a Bluetooth pairing request, check the prompt permission, and click “Pair” to complete the pairing of Bluetooth 5.0 + 3.0;
2. If the Android user system does not pop up a Bluetooth pairing request, you need to click “Unbind” on the “Call Service Pairing Options” in the Bluetooth pairing prompt interface and then follow the interface prompts to complete the Bluetooth. Subsequent connection to the mobile phone will cause the watch 3.0 Bluetooth memory to achieve dual Bluetooth one-click linking (if Bluetooth 3.0 is not automatically connected, please manually search for the Bluetooth watch model “HK21” on your phone)

Smart Watch Features

• Sport: Enter the exercise mode selection interface, click again to start the corresponding exercise, you can record exercise time, distance, calories and heart rate and other data.

• Activity: Statistics of the day’s activity data. In the APP, you can set the standard value of the number of steps in a day. When the set number of steps is reached, the watch will have a reminder of the standard.

• Dial: Connect the mobile phone Bluetooth to dial out, and you can realize the call on the watch side.

• Heart rate
  Put the watch close to your wrist. The best wearing position is above the wrist bone and arm. You can measure the real-time heart rate value. The normal value for ordinary people is 60-100 beats/minute. You can also check the heart rate record.

• Blood pressure
  Put the watch close to the wrist, and the best place to wear it is above the wrist bone and the arm. The real-time blood pressure value can be measured. Adult diastolic blood pressure: 60~80 (mmHg), adult systolic blood pressure: 100 ~ 120 (mmHg)

• Blood oxygen
  Put the watch close to the wrist, and the best wearing position is above the wrist bone and the arm. The real-time blood oxygen value can be measured. The normal range of the value is generally 95% to 100%.

• Message
  It can display message push content, such as: SMS, QQ, WeChat, etc. (IOS12 and above systems will block SMS reminders by default).

• Sleep
  Turning on sleep detection can detect sleep quality while sleeping, and you can view sleep duration, deep sleep, light sleep and other data.

• Weather
  If the app is not connected, enter the weather to display prompts, and the current weather temperature will be displayed after connecting to the app.

• Music
  It can control the playback of music on the mobile phone, switch between the previous and next music, and adjust the volume.

• Voice assistant
  When connected to the Bluetooth of the mobile phone, click to talk to realize remote control.

• Alarm clock
  You can customize the alarm clock and delete the alarm clock.

• Breathing training
  You can set the breathing training time and rhythm, and then click to start breathing training.

• Stopwatch
  Start stopwatch timing and end timing, as well as time marking function.

• Calculator
  Can perform numerical calculations.

• Calendar
  View calendar.

• Settings
  Includes functions such as dial switching, brightness adjustment, language setting, password lock, etc.

Precautions

1. Please do not disassemble, repair, or modify the product without authorization.
2. Please do not violently collide with the product to avoid damage to the product.
3. Please avoid strong magnetic fields, direct light or high-temperature environments.
4. This product is not intended for disease diagnosis, treatment or prevention.
5. The waterproof rating of this product is 1P68, so avoid being immersed in water for a long time.
6. Please avoid wearing the watch strap too tightly, and keep the contact area between the watch and your skin clean.
7. Children should use this product under the guidance of their parents to avoid harm.

FCC COMPLIANCE STATEMENT

This device complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions:

1. This device may not cause harmful interference, and
2. This device must accept any interference received, including interference that may cause undesired operation.

Note: This equipment has been tested and found to comply with the limits for a Class B digital device, under Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used by the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

Warning: Changes or modifications to this unit not expressly approved by the part responsible for compliance could void the user”s authority to operate the equipment.

FCC Radiation Exposure Statement

1. The device has been evaluated to meet general RF exposure requirements.
2. The device can be used in portable exposure conditions without restriction.

Frequently Asked Questions

• Q: Is the product waterproof?
  • A: Yes, the product has a waterproof rating of IP68, but it is advisable to avoid long-term immersion in water.
• Q: Can children use this product?
  • A: Children should use this product under the guidance of their parents to avoid any potential harm.
• Q: Can the product measure heart rate and blood pressure?
  • A: Yes, the product is equipped to measure heart rate and blood pressure.

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