Lantu Digital Electronics Shenzhen Co Ltd LT3688 Smart Ring Instruction Manual

Lantu Digital Electronics Shenzhen Co Ltd LT3688 Smart Ring

Product Specifications

• Compatibility: Most mobile phones and apps in the market
• Functionality: Universal key function for various phone models
• Contact for After Sale Support:
  • Email: lantu@blueprintde.com
  • Tel: 0755-23763117

Product Usage Instructions

Compatibility and Functionality:
The smart ring is designed to be compatible with most mobile phones and apps available in the market. It offers a universal key function that may vary slightly depending on the phone model.

Adjusting Touch Sensitivity:
If you experience slow or fast touch response on Apple phones or find the touch point sliding distance too short or long, follow these steps to adjust sensitivity:

1. Go to Settings on your phone.
2. Find Auxiliary Functions.
3. Select Touch.
4. Choose Auxiliary Touch from the drop-down menu.
5. Adjust the tracking sensitivity using the Turtle progress bar to suit your preferences.

Frequently Asked Questions (FAQ):

• Q: What should I do if the APP function cannot be realized?
  A: Try downloading other mobile phone apps with similar functions to ensure compatibility.

• Q: Why does the universal key function vary across different phone models?
  A: The variation in the universal key function is a normal phenomenon due to differences in phone specifications and designs.

Smart ring instruction manual

The iOS system of Apple mobile phone needs to be upgraded to 13.6 or later, and the auxiliary touch function needs to be enabled; Android phones are currently not required.

1. Boot mode: Hold down the up/down button for 3 seconds at the same time, the blue and green light will be on, and the blue light will blink when the boot is completed
2. Shutdown mode: Hold down the up/down button for 3 seconds at the same time, blue and green lights on and off
3. When charging, the red light is steady on and the full light is off
4. Bluetooth connection: When the ring is on (blue light breathing blinking), the phone searches for Bluetooth name: LT3688, the blue light blinks quickly when the connection is paired, and all lights are off when the connection is completed. The Bluetooth status of the phone is displayed as connected.
5. The default general mode of any APP software interface:
6. Up/Down: When you press the Up/Down key, you slide the screen down to view the previous screen. If you click the down key, the screen slides up to the next screen
7. The smart ring automatically shuts down after 5 minutes of no operation
8. In Tiktok mode: The default general mode remains the same. Press the up/down key, turn the screen up/down, press 0 to pause, and double-click 0 to like the video. If there is a live broadcast, click 0 to enter the live broadcast room, double click 0 to like the live broadcast room
9. In novel reading mode: Only up or down keys are supported
10. In song mode: The default general mode remains unchanged. If the APP does not have the function of sliding up and down to cut songs, this function cannot be used
11. In camera mode: The default general mode remains the same. Press the up key or Down key to take a picture, and press 0 to focus
12. Size selection: Take the index finger as the benchmark, use a string or strip of paper around the part of the finger to take a circle (finger circumference), and then measure the length of the string with a ruler, select the corresponding size, as shown below.

FCC Warning

Note :

• This ring is compatible with most mobile phones and apps in the market. If you find that the APP function cannot be realized, please try to download other mobile phone apps with the same function.
• The above universal key function may vary according to different phone models, which is a normal phenomenon.
• If the touch response of the Apple phone is slow/fast or the touch point sliding distance is short/long, you can debug the sensitivity suitable for your own habits in the Settings — Auxiliary functions — Touch — auxiliary touch (drop-down interface) tracking sensitivity (Turtle progress bar).

FCC Caution:

1. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
2. This device may not cause harmful interference, and
3. This device must accept any interference received, including interference that may cause undesired operation.
4. Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

NOTE

• 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.

• The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

After Sale:

• Email: lantu@blueprintde.com
• Tel: 0755-23763117

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