Shenzhen Dongke Zhizao Electronics DK210319 Bone Conduction Earphone Instruction Manual

Dongke Zhizao Electronics DK210319
Bone Conduction Earphone
Instruction Manual

Free your ears to listen to outside sounds and conversations while enjoying music. The best choice for listening to music, answering phones, playing games, studying, running, cycling,  fitness, swimming, and driving.
Power on: Hold the power button for 3 seconds and the blue light will be on for 3 seconds. Prompt reads“Bluetooth Mode” in English;
Power off: Hold the power button for 5 seconds.After the red light flashes, power off. Prompt reads“Power Off” in English;
Connection: After start-up, it enters the pairing state, the red and blue lights flashing alternately. Switch mobile phones, desktop computers, and laptops to Bluetooth mode, search for  button DK21039 and then click “Connection”;
Connected: When the headset is connected to the device, the blue light will flash slowly and the headset prompt sound will be “connected”. After the connection, you can listen to the music, you can also standby phone calls, etc. on the device.
Pause: When paused, click the left multi-function button to play;When playing, click the left multi-function button to pause; Answer the phone: Click the left multi-function button to answer or hang up the call. Hold the left multi-function button for a few seconds to reject the call;
Volume up/down: Click the button then the volume will increase. When the volume is turned to the maximum, it will loop back to the minimum volume.You can also adjust the volume on your phone, iPad, or computer.
Last: In music state, hold the volume button for 2 seconds to play the last song;
Next: In music state, hold the multi-function button for 2 seconds to play the next song;

Charging status:

1. When the headset is charged by using the SV charging stand, it is turned off and cannot be started up. The red light is always on while charging, and the blue light is on when fully charged. The LED light will go off within 5 minutes after a full charge.
2. Connected to the computer with a data cable when the headset is charging. By default, it enters PC mode. At this time, you can copy songs to the SD card and leave the headset on. Press the power button three times to enter the SD card mode, you can play the music in it. Press the function button twice to enter Bluetooth mode, reconnect the  Bluetooth, or wait for a connection.
3. Connected to the computer with a data cable when the headset off is charging. But if you want to copy songs, you have to turn it on and then operate in PC mode.
4. The LED light is red when charging, and the red light is always on.
5. Specification of the charger: Output voltage: DC5V+/-0.25V, Output current :100mA-250mA

Local playback switch: double-click the multi-function button in the Bluetooth connection state. The Chinese and English prompt sound means the switch is successful.

SD card features:

1. Bluetooth is the default mode. Keep the Bluetooth connected when changing the SD cards in any state. Switch the phone call to Bluetooth if any.
2. In Bluetooth mode, double click the left multi-function button to switch to SD card mode, accompanied by the “Local Play” prompt sound(Bluetooth static working).
3. ISD card mode, double click the right multi-function button to switch to Bluetooth mode, accompanied by “Bluetooth Mode” prompt sound(SD card static working).
4. In SD card mode, reboot when it is powered off or shut down, it will play from where it stops.
5. When it is paused in the SD card mode, the blue light is always on.
6. When entering SD card mode after start-up, the background Bluetooth search will stop in 1 minute.

Chargers and Batteries

Before using any charger to charge this headset, please check whether the specification of the charger meets the requirements. It is recommended that the output voltage of the charger is DC5V+/-0.25V, and the output current is 100mA-250mA. If the charging voltage is too high, the Bluetooth headset may be damaged.

Warning: Only a certified charger can be used. Chargers of other specifications may violate the Qualification and Warranty and may lead to danger. If the product is shipped with a  charging line, it needs to connect to a 3C certified charger or computer to charge it. Do not collide with this product seriously. A serious collision may damage the electronic motherboard and battery. This headset uses a built-in non-removable rechargeable battery. Do not try to remove the battery from the headset to avoid damaging it. Please store them in a dry and ventilated place and charge them every two months when not using headsets for a long period of time.

1. When the connected headset flashes red with the “Battery Low” sound, it indicates that the headset is of low battery.It will automatically shut down if you continue to use it.
2. Plug the charger into an AC outlet.

Important Safety Instructions

The correct position for wearing the speaker of this device is the cheekbone in front of the ear. Do not put the speaker in the ear. Listening to loud music for a long time may cause discomfort. Please try to use a medium volume to avoid using loud music for a long time.
Regardless of the volume, the use of headsets will affect your perception of the surrounding environment. Be careful when using headsets. Do not throw, hold down or immerse the headset in water. The headset should be away from fire, water, and high-pressure equipment. This device is not suitable for children under 3 years old for it contains small parts.
Do not classify it as household waste, but send it to the local appropriate electrical and electronic equipment recycling station. If the user violates the above warning content, the  company does not assume any responsibility for personal and property loss.

Safety information

• In order to avoid accidental swallowing, the headsets should be kept away from children and pets. The headsets contain lithium batteries. Medical attention should be sought immediately if swallowing, and when not in use, the headsets should be stored in a covered charging case and kept away from children and pets.
• To avoid hearing loss, please use the headsets at a comfortable and moderate volume.
• Turn down the volume first, put on the headsets, then gradually turn up the volume until you reach a comfortable listening level.
• If talking through this headset while driving, use it with caution and comply with applicable laws regarding the use of mobile phones and headsets. There are some local laws that have specific restrictions on the use of such products while driving. Do not use headsets for other purposes while driving.
• Care should be taken for the safety of yourself and others if you use headsets in activities that require concentration, such as cycling, driving, or walking on or near road construction sites or railway tracks. You should also comply with the relevant laws regarding the use of headsets. Remove your headsets or adjust the volume to make sure you can hear ambient sounds, including alarms and warning signals.
• Children are not allowed to use headsets.
• Do not immerse the headsets in water or expose them to a wet environment for a long time, or wear them in water sports such as swimming, water skiing, and surfing.
• Do not make the equipment and its accessories subjected to strong impact or move in order to avoid damage to the equipment and its accessories resulting in battery explosion or equipment failure.
• Please use a clean, dry, and soft cloth to wipe the equipment. Please stop using the equipment before cleaning and maintenance.
• Do not use external heating equipment such as a microwave oven or hairdryer to dry it.
  Wearheadsets at the back of the neck and speakers on both sides of the cheekbones for comfort.

Please place the equipment or its accessories in a cool, ventilated place without direct sunlight.
Music playing time – Standard condition: 8-hour short impedance: 8Q±3dB
Standby time： 15 daysMicrophone sensitivity: 48±2dB

Please turn off the device in medical and health facilities where the use of wireless devices is expressly prohibited.
Please keep at least 15cm away from the implanted medical device (e.g. pacer, implanted earwax, etc.) when using this product.
The radio waves generated by the device may affect the normal operation of implantable medical devices or personal medical devices, such as pacemakers and implants ears, hearing  AIDS, etc. Please consult with manufacturers about the restrictions on using this product if you use any of these medical devices.

This product is equipped with a non-removable built-in rechargeable battery. Do not replace the battery by yourself. Batteries can only be replaced by authorized service centers.
Please do not dispose of this product and its accessories as ordinary domestic waste. Please comply with the local laws and regulations for the disposal of this product and its accessories and support the recovery action.

Please use the product within the temperature range of 5C-35℃, and store the equipment and its accessories within the temperature range of 5℃ -35℃. When the environment temperature is too high or too low, it may cause equipment failure. Battery performance is limited at temperatures below 5℃.

Do not place the device near heat sources or exposed fire sources, such as electric heaters, microwave ovens, water heaters, stoves, candles, or other sources that may produce high temperatures.
Do not wrap, seal, cover towels, or place other items on the equipment.
Do not use the equipment when it is placed in a closed environment like boxes, etc..
You should take basic preventive measures when using this product, the specific contents are as follows:
Please read all the instructions before using the charging case:

• If a charging box is used near a child, it must be closely monitored to prevent injury.

• The charging box must not touch water, rain, liquid snow, and other substances like this.

• A risk of fire or injury may happen when using a power supply or charger that is not recommended or sold by the battery pack manufacturer.

• Do not use the charging box beyond the rated output power.

• Do not use damaged or modified charging boxes. Damaged or modified batteries can cause unpredictable dangers such as fire, explosion or injury.

• Do not remove the charging box. Improper reorganization can result in the risk of fire or injury.

• Do not disassemble, squeeze or throw the charging box into a fire or put it in high temperature. Exposure to fire or at temperatures over 100°C may cause an explosion.

• Only qualified maintenance personnel can use the same spare parts to perform maintenance operations.
  • Do not modify the product without authorization.
  • Contained accessories may cause asphyxia. Not suitable for children under 3 years of age.

• Only use this product under the condition of power supply (such as UL, CSA VDE, CCC) which has been approved by relevant authorities and meets local regulatory requirements.
  • Do not overheat products containing batteries (e.g. keep away from direct sunlight and fire sources).
  • Wipe the sweat off the headset and charging case before charging
  • Waterproof splash is not a permanent condition and the level of protection can be reduced due to normal wear and tear.

China List of Restricted Use of Hazardous Substances

Name and composition of a toxic or hazardous substance or element

Toxic or hazardous substance or element
Pad name| Lead (Pb)| Mercury (Hg)| Cadmium (Cd)| Hexavalent chromium (CR (VI))| Polybrominated combination (PBB)| Polybrominated diphen_ylether (PBDE)
Printed circuit board| X| O| O| O| O| O
Metal parts| A| O| O| O| O| O
Plastic parts| O| O| O| O| O| O
the Speaker| A| O| O| O| O| O
Cable| X| O| O| O| O| O

This form is prepared in accordance with SJ/T11364.
O: means that the content of the hazardous substance in all homogeneous materials of the part is below the limit requirements stipulated by GB/T26572
X: this means that the content of the hazardous substance in at least one homogeneous material of the part exceeds the limit requirements specified by GB/T26572 but there is no mature alternative program in the industry at present, which meets the EU RoHS quality and environmental protection requirements.

Under the normal state of environmental protection, the use period for this product is 5 years. Some parts may also have an environmentally friendly life label that the service life is subject to the number in the logo. Due to different models, the product may not include all the above parts, the actual sales configuration of the product shall prevail.

Description:

1. Circuit modules: ceramic or glass of electronic components, IC chips and ferroalloy/copper alloy connectors contain lead.
2. Wire: the copper alloy in the needle part contains lead.

Product Service Policy

In the course of the normal use of the product, if the product appears non- man-made damage to the performance of the fault, you can enjoy free maintenance service. The warranty period covers 12 months from the date of purchase.

Consumers cannot enjoy the warranty rights and interests for any one of the following circumstances,

1. Man-made damage;
2. Out of warranty period;
3. No warranty card and valid invoice, except to prove that the product is within the warranty period;
4. The warranty card is inconsistent with the product model identification, or the warranty card is altered;
5. The SN barcode is removed, except those that can provide product invoices and warranty cards;
6. Accessoriesdamage caused by improper use, storage and maintenance；
7. Unauthorized disassembly and repair；
8. Damage caused by force majeure；
9. Defects caused by using non-original fittings.

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
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.

Warning: Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment The devices has been  evaluated to meet general RF exposure requirement, the device can be used in portable exposure condition without restriction

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