Smof DGLK02 Bone Conduction Headset with Microphone

What’s in the Box

Headphone • 1

Dongle* 1

Instructions • 1

Charging cable • 1

Button Function

Product Specification

LK02 Headphone

Main chip:	QCC3034
Bluetooth version:	Bluetooth V5.1
Frequency range:	2.4 GHz-2.480 GHz
Support Bluetooth Protocol:	HSP, HFP, AVRCP, A2DP, SBC, aptX, aptX—LL, aptX—HD
Output audio:	Dual speaker stereo
Wireless transmission range:	10 m (or 33 feet)
Full charge time:	About 2H
Working voltage:	DC 3.1V-4.2V
Built-in lithium battery:	250mAh
Input power supply:	DC + 5V
Call function	✓
Voice assistant	✓
Weight:	28g
Charging normal working temperature:	0-45 C
Charging protection cut-off voltage:	About 6.0V
External interface:	Type-C USB seat

Dongle

Transmission power:	CLASS2
Frequency range:	2.4GHz-2.480GHz
Wireless transmission range:	10 m(or 33feet)
Number of connectable devices:	2
Device name:	DG02
Number of buttons:	1
External power supply voltage:	DC+5V
Transmitting working power:	About0.1W
Input and output interface:	USB male interface
Support audio protocol:	SBC aptX aptX-LL aptX-HD aptX- Adaptive audio decoding
Working current:	About 10mA

Pairing Mode

Dongle: Press and hold 2S Mel to enter pairing mode, after power on (blue light blinking ).

LK02 headset:

1. When_ the blue light is flashing double-click the multi-function button to enter pairing mode.
2. After disconnecting the Bluetooth connection, the headset automatically connects to enter pairing mode.

Restore Factory Settings
Dongle: If Dongle can not be paired, long press the multi-function button for2S (blue light blinking ) , then double-click the multi-function button, the blue light will be on for 3S, Dongle Reset completed .

LK02 headset: If the LK02 headset can not be paired, long press the ” ” for about 6S until the pink light for 2S, the LK02 headset Reset completed.

Note: After restoring the factory settings, please follow the “How It Works” to connect again.

How It Works

Pairing to PC

1. lnsert USB port
   
2. Long press the Bluetooth button for 2S to enter the pairing mode
   
3. Tum on the headset and it will automatically go into pairing mode, pace the headset within one meter of the Dongle and he will pair it automatically.
   
4. Blue light on
   

‘To play music or take calls on the headset, please ensure the “LK dongle” is both identified as the default input and output devices in your operating system’s audio settings.

After the initial use, the second time automatically connect back to the last connected headset.

Pairing to Mobile Device

Headphone connection method (For the first use)

1. The headset needs to be paired with the mobile phone.
   
2. Turn on the headset (press and hold the multi-function button for 3S) and the indicator light will flash red and blue alternately.
   
3. Search for the Bluetooth device name “LK02”, select and connect.
   
4. After the connection is successful, the blue light indicates intermittently.
   

Note: After the initial pairing is successful, the last device will be automatically paired when It is used for the second time. Enter “0000” password if necessary.

Project	Function	Operation Op Button	Operation Method
Play Music	Pause playback		Click it once
	Previous song		Long press 2S
	Next song		Long press 2S
	Volume up		Click it once
	Volume down		Click it once
Bluetooth call Note: When calling, turn the microphone to the front, and turn the microphone mute switch to the non-mute position, so as not to affect the call effect.	Answer the call		Click it once
	Hang up the phone		Click it once
	Reject call		Long press 2S
	Call back		Double-cli (call back the last call made by the phone)
	Call switching		Long press 2S
	Incoming call while on a call		Press once to hang up the current call and answer the new incoming call.
			Long press 2S to hold the current call and answer the new call.
	Call volume up		Click it once
	Call volume down		Click it once
	Micro phone mute		During a call, turn the microphone mute switch to the mute position
Voice assistant	Turn on/off the phone voice assistant		Long press 2S

How to Wear

Charging 1ips

When the headset is at low battery, there will be a “battery Low” prompt and the red light will flash intermittently. The LED indicator will tum from red to blue when charging is complete.

Precautions

1. Please use the Type-C USB cable to connect the DC+5V adapter to power or charge the product to prevent the product from working abnormally;
2. Because the wireless signal of Bluetooth will be blocked and absorbed by surrounding objects, try to place it in an unobstructed position with the Bluetooth connected device during use, so that you can enjoy better quality music.

Storage and Maintenance

LK02 headset:

• Store the headset in a cool, dry place. The working temperature should be 0-45°C(32-113°F). Working in a cold/hot environment, a highly humid area, or an extremely low air pressure may reduce the battery life.
• Keep the product away from heat sources, direct sunlight, combustible gas or other liquids.
• Keeping the charging port dry before connecting to the charger will reduce the risk of damage.
• This headset is water-resistant, but is not waterproof. Please do not submerse the headset in water.
• Clean the headset with a soft dry cloth.
• Do not charge right after exercising, in case there’s sweat inside the charging port, which could lead to circuit burning while charging.
• After storage for a long period, please charge the headset before Warning
• To avoid the risk. of explosion, fire, or leakage from toxic chemicals, please do not disassemble the product or replace, deform, or mutilate the battery

Dongle:

Store the product in a cool or dry place. The working and storage temperature should be 0°C-55°C (32°F-131°F).

Never allow children and pets to play with the product- small parts may be a choking hazard. If accidental ingestion happens, seek immediate medical attention.

Keep the produce away from heat sources, direct sunlight, combustible gas, or other liquids.

Do not disassemble the product.

Unplug, discontinue use, and contact us if the product overheats or has a damaged outer casing or plug.

Warning
To avoid the risk of explosion, fire, or leakage from toxic chemicals, please do not disassemble the product or replace, deform, or mutilate the battery

Support

If you have any trouble or problems.please contact us for more support!

zd-cs-direct@outlook.com

Model: DGLK02
Contact Us: zd-cs-direct@outlook.com

Documents / Resources

Smof DGLK02 Bone Conduction Headset with Microphone [pdf] User Manual DGLK02 Bone Conduction Headset with Microphone, DGLK02, Bone Conduction Headset with Microphone, Conduction Headset with Microphone, Headset with Microphone, Microphone

References

• User Manual