Shenzhen I Link Technology LK01 Bluetooth Earphone User Manual

Shenzhen I Link Technology LK01 Bluetooth Earphone User Manual

SPECIFICATION:

FUNCTION DIAGRAM:

INSTRUCTIONS FOR USE:

1. Hang the earphones around your neck and put on the left and right ears;
2. Long press the power button to tum on the headset, and pair with the phone’s Bluetooth;
3. After the connection is successful, you can enjoy music and make hands-free phone calls;

OPERATION CONNECTION:

Power on:

In the off state, long press the “0” button for 3 seconds, the headset is turned on, there will be a “power on” voice prompt, the blue indicator light will stay on for 1 second and then go out to enter the pairing or reconnecting state;

If the headset has not been paired before, ii will enter the pairing state after powering on, the red indicator and blue indicator flashing alternately, accompanied by a “pairing” voice prompt;

If the headset has been paired, it will automatically reconnect after it is turned on, and the blue indicator light will flash once every 2S during the reconnect;

Power off:
In the power-on state, press and hold the “0” button for 3 seconds, accompanied by a “power off” voice prompt, the red indicator light will stay on for 2 seconds and then go out, the headset turns off;

ENTER THE PAIRING STATE:

In the off state, press the “0” button for 5 seconds, the headset enters the pairing state, accompanied by the “pairing” voice prompt, the red indicator light and blue indicator light flash alternately;

PAIRING CONNECTION:

1. For the first use, the headset must be paired and connected with the mobile phone;
2.  In the off state, long press the “0” button for 5 seconds, the red indicator and blue indicator will flash alternately after power on, accompanied by the “pairing” voice prompt, the headset will automatically enter the pairing state. In the pairing state, if no connection after 2 minutes. the headset will automatically enter the standby state;
3. Turn on the Bluetooth function of the mobile phone, search for the Bluetooth device name “HT lentic 01 n, select and connect;
4. If necessary, you can enter the “0000” password;
5. After the connection is successful, the blue indicator light of the headset flashes twice every 5S.

PRODUCT RECONNECTION:

Under the following conditions, the headset will connect back:

Manual reconnection: When the headset is in standby or pairing state without connection, click the power button to manually reconnect;

Automatically reconnect after power on: the headset will enter the reconnect state after power on, the blue indicator light flashes once every 2S, and if there is no connection after 2 minutes, it will enter the standby state;

Automatic connection in standby mode: the headset is in the standby state, the Bluetooth of the paired and connected mobile phone is turned on, and the headset can be connected back;

0ver-dlistance automatic reconnection: beyond the effective range of Bluetooth, the headset is disconnected and enters the reconnection state, the blue indicator light flashes once every 2S, and if there is no connection after 10 minutes, it enters the shutdown state;

MUSIC PLAYBACK BUTTON OPERATION:

Pause/Play: Click the “O” button;
Volume up: Click the “Volume +” button;
Volume down: Click the “Volume-” button;
Next song: Long press the 1S “volume+” button;
Previous song: Long press the 1S “volume-” button;

CALL OPERATION:

When a call comes in, the blue indicator light flashes 3 limes every 5S, and the corresponding call operation can be performed. During a call, the blue indicator light is on;

Answer incoming call: when there is an incoming call, click the “0” button to answer the incoming call;

Hang up the call: During a call, click the “0” button to hang up the current call;

Reject call: Long press the “0” button for 1 second to reject the call;

Call back: double-click the “0” button to call back the last call of the first mobile phone;

Call switching: When both parties are in a call, press and hold the “0” button for 1 second to switch the call between the phone and the device;

Incoming call during a call:

1. Click the “0” button to hang up the current call and answer the new call;
2. Long press the “0” button to answer the new call, and the original call will be changed to the mobile phone call state;

During a three-way call:

1. Click the “0” button to hang up the current call and switch to another call;
2. Long press the “0” button to switch the call between the two mobile phones;

Volume up: Click the “Volume +” button;
Volume reduction: Click the ”Volume-” button;

VOICE ASSISTANT:

In the non-calling state, press and hold the “Volume+” button and the ‘Volume -” button of the headset at the same lime for 1 second, the system will be accompanied by a prompt sound, which can activate the mobile phone voice assistant function;

CLEAR THE BLUETOOTH PAIRING LIST:

In the unconnected state (cannot be in the standby state), press and hold the “volume+” button and the ”volume-” button of the headset at the same lime for 5 seconds to clear the Bluetooth pairing list, and the red and blue indicator lights will be on for 2 seconds at the same time then goes off, the headset enters the pairing state with red indicator and blue indicator flash alternately;

AUTO STANDBY/AUTO POWER OFF:

In the following states, the headset will automatically go to standby:

1. After the headset is turned on, it enters the pairing state. If the connection fails within 2 minutes, it will automatically enter the standby state;
2. After the headset is turned on, it enters the reconnecting state. If the reconnecting fails within 2 minutes, it will automatically enter the standby state;
3. When the headset is in the connected state, if the mobile phone is actively disconnected, it will automatically enter the standby state;

Under the following conditions, the headset will automatically shut down:

1. In the connected state, if the headset is out of the effective range of the Bluetooth connection, the headset will be disconnected and enter the reconnecting state. After 10 minutes, if the reconnecting is unsuccessful, then the lime for 1 second, the system will be accompanied by a headset will automatically enter the off state;
2. If there is no connection for 10 minutes in the standby state, the headset will automatically enter the shutdown state;
3. When the battery voltage is lower than 3.0V, the headset will automatically enter the shutdown state;

LOW BATTERY ALARM:

When the battery voltage is lower than 3.3V, the earphone enters a low voltage alarm, accompanied by a “Low Battery” voice prompt, which prompts once every 20 minutes;
If the headset is connected, the red indicator light flashes twice every 5S, if the headset is not connected, the red indicator light flashes once every 2S; when the battery voltage is lower than 3.0V, the headset will automatically shut down;

PRODUCT CHARGING:

When the headset is in a low battery state or has been turned off under low power, you can insert a DC 5V power supply through the Micro-USS cable to charge the headset battery; when the battery is charged, the headset will automatically shut down and cannot be used for charging, and the red indicator light will be on when charging , When the battery is fully charged, the red indicator light will automatically go out:

LITHIUM BATTERY CHARGING HIGH AND LOW TEMPERATURE PROTECTION:

The earphone has a built-in NTC temperature detection circuit to detect the temperature of the lithium battery to prevent damage to the battery due to excessive or low temperature during charging;

In the high temperature state, when the temperature exceeds 54 degrees, the charging will stop, and the charging will resume when the temperature drops to about 48 degrees;

In the low temperature state, when the tempera true is lower than O degrees, the charging will stop, and the charging will resume when the temperature rises to about 6 degrees;

INDICATOR STATUS DESCRIPTION:

Power-on state: the blue indicator light is on for 1s and then goes out to enter the pairing or reconnecting state;
Pairing status: red and blue indicator lights flash alternately;
Pairing success status: the blue indicator light flashes 2 times every 5S;
Reconnect status: the blue indicator light flashes once every 2S;
Standby slate: the blue indicator light flashes once every 5S;
Shutdown state: the red indicator light is on for 2 seconds and then the indicator lights are all off;
Incoming call status: the blue indicator light flashes 3 times every 5S;
Call status: blue indicator light is on;
Clear the pairing status: the red indicator and blue indicator will be on for 2S at the same time;
Low battery connection status: the red indicator light flashes twice every 5S;
Low battery not connected state: the red indicator light flashes once every 2S;
Charging status: red indicator light is on;
Fully charged state: the red indicator light is off;

PRECAUTIONS:

1. The product has an overvoltage protection function, but the working voltage is within the range of 3.0-4.2V. When the power is low or has not been used for a long time, the product should be charged in time to prevent the product from working abnormally or battery damage;
2. The Bluetooth wireless signal will be blocked and absorbed by surrounding objects. Try to place ii in an obstacle-free position with the Bluetooth connected device during use, so that you can enjoy better sound;
3. The product has a built-in lithium battery, please charge the product in lime when using it;
4. Please keep the product away from water or other liquids to avoid damage to the product;
5. The product has a built-in NTC temperature detection circuit. When charging the battery, please pay attention to the ambient tempera lure. If the temperature is too high or too low, it is a normal phenomenon that the protection does not charge, and it can be charged normally after returning to the nom, al temperature range;

Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the 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.

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

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