JMate2 User Manual

Checking the contents

What’s Included:

• One (1) JMate2 Wristband
• One (1) Universal Charging Cable (located inside the riser box)

Awake/Standby mode

Tap JMate2 to wake it up. If the indicator doesn't light up, please charge the device.

JMate2 will automatically enter standby mode when not connected and left idle.

Charging

Charging Status: The top-right indicator light stays solid red while charging and goes out when fully charged.

Charging Time: Approximately 1.5 hours from completely dead to fully charged.

*Notice: This cable is exclusively for Jacfit devices. Do not use with other brands.
*Warning: Keep the cable away from magnetic objects to avoid short circuits.

Battery Life & Data Storage

A fully charged JMate2 can last up to 3 days in typical usage.

In standby mode, JMate2 can last up to 7 days.

Unsynced data is retained for up to 30 days.

Checking Battery Level

Jacfit App: You can check the JMate2's battery level on the Bluetooth connection page.

Jacfit Plus App: Go to the "Device" page to check the JMate2's battery level.

On the Device: Check the indicator light for low battery warnings (see the Indicator Light Guide for details).

IP code

IP68

Dust-tight; operates beyond 3 feet 3 inches underwater under standard test conditions without functional damage.

Indicator lights

Tap JMate2 to check the status. The indicator light should turn off automatically after 5–6 seconds.

Heart Rate Zones Indicator Guide

After entering Exercise Mode, the indicator light will change based on your current heart rate zone.

How to wear JMate2

Please wear the JMate2 band on your right wrist with the "J" logo facing you.

How to Pair with a Bike Computer (Heart Rate Supported)

1. Ensure that your bike computer is equipped with Bluetooth connectivity.
2. Pair and connect your JMate2 band with the Jacfit Plus app.
3. Once connected to the Jacfit Plus app, go to Settings>Devices>tap on "JMate2", and select "Enable Bluetooth Visibility". The app will automatically close.
4. Tap to wake up the band, then search for JMate2 on your bike computer.
5. Once paired with the bike computer, the JMate2 indicator will show a rotating green light pattern.

*Note: To reconnect the JMate2 band to the app, please disconnect it from your bike computer first and then re-pair it inside the app to prevent connection conflicts.

Troubleshooting Guide

When JMate2 is not connecting properly

1. Check if JMate2 has enough battery. If not, fully charge and reconnect.
2. Ensure Bluetooth is enabled on your phone or tablet.
3. Ensure Bluetooth (Nearby Devices) and Notification permissions are granted for the app.
4. Avoid connection conflicts when changing apps. Close the previously connected app completely (swipe it away), then proceed to connect with the new app.
   Then proceed to connect with the new app.
5. Before connecting, please tap to wake up the device, then reconnect to the app.

*If the issue persists, please reinstall the app and repeat the steps above, or contact our customer support team.

When JMate2 cannot sync data to the Jacfit Plus app

1. Confirm that JMate2 is connected to the app.
2. Swipe down on the app's home screen to refresh manually, and confirm if the "Last Updated" time has synced.

*If the issue persists, please reinstall the app and repeat the steps above, or contact our customer support team.

Dealing with screen lag

For screen mirroring to a TV or projector, a wired HDMI connection is recommended. Wireless mirroring may result in audio/video desync due to transmission delays. This is a standard limitation of wireless projection technology, rather than an issue with our product or the app.

Warranty service

JACFIT provides 1-year limited warranty for repair or replacement due to manufacturing defects.
The warranty does not cover damages caused by:

1. Improper use
2. Rough and/or careless handling
3. Incorrect installation
4. Accidents, abuse and misuse
5. Floods, fires, and natural disasters
6. Improper, and unauthorized repair.

Proof of purchase is required for all warranty claims.

After warranty expiration, JACFIT may offer a discount on replacement or upgrade if defects are manufacturing-related.

Please deliver defective products to your retailer, or email: support@jacfit.com

Consumables (e.g., batteries) and products with removed/damaged serial numbers are not covered.

Online Auction Purchases

Online auctions are not eligible for rebates, special offers or warranty coverage.

Auction confirmations are not valid proof of purchase.

Warranty requires an original or retailer-issued receipt.

JACFIT will not replace missing parts from auction purchases.

JMate2 is NOT a medical device

This product is not intended to diagnose, treat, cure, or prevent any disease. Data should only be used as a reference for personal health management. For any medical concerns, please consult a professional healthcare service.

Battery Warnings

Do not attempt to repair or replace the battery yourself. Improper replacement can cause overheating and injury. Battery components can harm the environment or human health if disposed of incorrectly. Please recycle this device at a designated lithium battery recycling location.

Federal Communication Commission Interference Statement

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to 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 in accordance with 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 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.

FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. 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.

Federal Communication Commission (FCC) Radiation Exposure Statement

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. End user must follow the specific operating instructions for satisfying RF exposure compliance.

Contact Us

Official Website: jacfit.com

Email: Support@jacfit.com

Facebook: @jacfiter

Instagram:@jacfit.us