Shenzhen logfo Jiechen Technology U18 Pro Bluetooth Headset User Guide

Shenzhen logfo Jiechen Technology U18 Pro Bluetooth Headset

Thank you for choosing the wireless sport stereo headphone. Please read this user manual carefully and keep it for future reference.

Package Contents

• 1 x wireless sports headphone
• 1x USB Charging Cable
• 8x Ear Buds And 1x Cable clip (two are equipped on the headphone)
• 1x User Guide

Congratulations on purchasing the wireless headphone. Your headphone allows for hands-free use on the go. It includes V5.1 echo elimination technology that provides superior sound quality. For best results, read this user manual in full before you use the product.

Product Overview

How to connect

1. Keep your Bluetooth device within 1 meter of your wireless headphone when pairing.
2. Enter pairing mode as follows: First, ensure your headphone is off. Next, press and hold the MFB for approximately eight seconds. You will know that the device has entered pairing mode when the red and blue LEDs flash rapidly.
3. Using your Bluetooth device, scan/search for available Bluetooth devices. Select the headphone from the list of devices shown.
4. If prompted for a password or PIN, enter the following: 0000
5. Some cell phone models can connect automatically and others will provide a prompt. If prompted by your cell phone to connect, select Yes.
6. Once a connection has been established successfully, the blue LED on the headset flashes twice every four seconds.

Warning: Please dry the headphone after each work

Multi-pairing

1. Start by long-pressing the MFB for three seconds to turn the wireless headphone off. Next, long-press the MFB for about eight seconds, until the red and blue LEDs on the] headphone flash repeatedly. This indicates entry to the search and pairing state.
2. Turn on the Bluetooth of the mobile phone and search for the headphone, then click to complete the connection.
3. Turn off mobile phone Bluetooth. Then turn off the headphone by long-pressing the MFB until the red LED turns on.
4. Long press the MFB for three seconds to turn it on again. Then long-press the MFB for eight seconds, until you see the red and blue LEDs on the headphone flash repeatedly again, indicating entry to the search and pairing state.
5. Turn on the Bluetooth function of mobile phone #2. Search for the headphone and click to complete the connection.
6. Turn on mobile phone #1’s Bluetooth function and find the connected wireless headphone. Click to complete the connection.

Keep your wireless headphone in close proximity to your cell phone. The headphone works much better if it has a clear line of sight to your cell phone. Assuming there are no obstacles between your cell phone and the headphone, it has a range of about 10 meters. Beyond this distance, the connection may become less reliable and sound quality may deteriorate.

Reconnect the headphone

1. If the connection is lost, your headphone will attempt to reconnect automatically.
2. If your wireless headphone is not able to reconnect automatically, press the MFB once or use your cell phone’s Bluetooth settings to reconnect manually.

Specifications

• Input Power: 5V=1A
• Support Protocols: HFP/A2DP/AVRCP/SPP
• Support Code: SBC/AAC
• Talk Time: About 12 Hours
• Music Time: About 15 Hours
• Standby Time: About 250 Hours
• Charging Time: About 2 Hours

Charging

Your headphone comes with a built-in rechargeable battery Before using the device for the first time, it is recommended to charge the battery fully.

1. 1. Connect the headphone to your USB charger.
2. Red LED indicates the device is charging
3. Blue LED indicates the device is fully charged
4. It takes 1.5-2 hours to charge the battery fully.
5. Please note the input power should be no more than DC 5V/1A, to avoid potential damage to the headphone.

Warning: Please avoid using low-quality USB chargers.

Restore to factory settings

• Long press the MFB button for about three seconds while charging. The red and blue LEDs will flash three times to indicate that factory settings have been restored.

Common problems and solutions

The cell phone does not detect the headphone Solutions:

1. Confirm that the wireless headphone is turned on and in] pairing mode. If the blue and red LEDs are flashing] alternately, the headphone is in pairing mode.
2. If the wireless headphone is turned on but still can’t be found on your Bluetooth device, restart both the cell phone and the wireless headphone, and then try again.

After connecting the wireless headphone with your mobile phone, you

experience disconnections or low sound quality

Solutions

1. This wireless headphone may have low battery. Recharge the device as needed.
2. There may be an obstacle between your cell phone and the wireless headphone. Ensure this is not the case.
3. You should be aware that your hand may obstruct communication if you are holding it against the headphone Make sure the line of communication is clear of any obstruction between these two devices.
4. Your wireless headphone may be out of range. Try to move it closer to your cell phone for best results.

The wireless headphone has connected successfully, but you can’t listen

to music

Solutions

1. Some cell phones do not have complete Bluetooth function and stereo Bluetooth modules that are required to listen to music. Please test whether this is the case by connecting your wireless headphone with another cell phone. If you can listen to music through the other cell phone, the wireless headphone is functioning as it should.
2. Check your Bluetooth settings of hands-free mode.

How to use wireless headphone to listen to music or chat on computer?

Solutions

• If your computer has a Bluetooth function, simply open it and search for the wireless headphone.
• If your computer does not have a Bluetooth function, then you will need a wireless adapter in order to connect your computer to the headphone. We recommend IVT wireless adapters.

What’s the Bluetooth pairing password?

Solutions

• The Bluetooth pairing password is 0000. Only a very small proportion of cell phones require manual password entry.
• Most cell phones enter this password automatically.

Do these block out outside noise to a good degree? How does its noise cancellation function work?

Solution

• The headphone is featured a passive noise cancellation. Please try silicone ear tips, they won’t block sound from your environment as foam ones.
• It could prevent higher-frequency noise from reaching the ear, it does have passive noise isolation function- soundproofing.

What is the Bluetooth connection range?

Solution

• The available distance between the Bluetooth headphone and the mobile phone or other Bluetooth devices is about 30ft in Open Space and up to 10ft in Inner Space.
• It would lose connection or cause noise while outside the mBluetooth connection range.

How to connect two smartphones at the same time?

Solution

• Please turn on the headphone, when it is in pairing mode turn on the first phone Bluetooth, and connect the headphone to the first smartphone via Bluetooth.
• After connecting successfully, turn off the first smartphone Bluetooth and turn on the second smartphone Bluetooth, connect the headphone to the second smartphone via Bluetooth, then turn on the first smartphone Bluetooth again and connect it to the headphone. And it would finally show that both smartphones are successfully connected to the headphone.

What is the waterproof level of the headphone?

Solution

• The headphone is coated with nano waterproof material.
• The headphone will not be damaged by rain or even in the shower but we strongly do not recommend using them in a pool.

The red light is not on when charging.

Solution

• If the Bluetooth headphone has not been used for a long time, it may need to be charged. Try charging the headphone for 30 minutes. The red light should come on again.

How long does this headphone last before it needs to be charged?

Solution

• The headphone has a better battery efficiency with up to 10 hours of play. Its standby time is about 220 hours without using

The headphone could not hold a charge anymore?

Solution

• It might have two reasons. One is that the charging cord is broken, please try to use another charging cord to charge the headphone.
• Another one is that there might be something wrong with the battery. If it is kept for too long time without using and charging, the capacity and the life of the battery will reduce.

FCC Warning

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, 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 Class B digital device, 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 pursuant to part 15 of the FCC] 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 the general RF exposure requirements. The device can be used in portable exposure conditions without restriction.

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