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Mul�-Pairing Func�on 

The prodcut have mul�-pairing func�on that can record 10 devices which 

pair before.

Please follow “

Connect and Pair via Bluetooth

” to pair with a new device.

When switching to a new Bluetooth device, you may not be able to pair

because the previously connected Bluetooth device cannot be able to 

disconnected. Please ensure disconnec�on status before pairing.

The product can record 10 devices. When the product need to record the

the eleventh device, it will forget the first record automa�cally.

Record 10 devices at most

The product can record 10 smartphones; music player; Computer

at most. It will connect and pair with them automa�cally from the 

second �me.

Listening to Music

Please connect and pair with your Bluetooth device first. 

Use your Bluetooth device to start playback, referring to the device manual as necessary.

Press once either Le� or Right

When music playing

When music playing

Press twice either Le� or Right  

Press trible either Le� or Right

When music playing

Press once either le� or right 

When music pause

······

Pause

··

Play the next track

Play the previous track

Play

····

This func�on will be influenced by some APPs andplay current song again. 

In this case, you can touch twice again a�ter this opera�on.

   ·

The volume control of devices are not available with the products

Selec�ng music, ar�st with the products are not available.

Touch twice le� earphone may replay the current song due to different APPs.

Some control of devices may not available for music, video playback on some devices. 

Talking on the phone

Phone call controls explained as follow may not be available on some 

smartphones.  

Press when receiving a call
Press when talking    

Press and hold for 3 second

···

Answer

···

End

···

Reject

Control are avialable

either L or R side.

The volume control of devices when talking are not available with the products

Replacing the Ear�ps

The product includes silicone ear�ps in 3 sizes (XS, S, M). 

At the �me of purchase, the M-size silicone ear�ps are

a�ached. 

To ensure the best sound quality, select the ear�ps

that is best for you, and adjust the ear�ps inside your 

ears for a snug fit. Inappropriate ear�ps will lead you 

be difficult to hear bass sounds.

Safety Precau�ons

Cau�on

Warrning

Cau�on

To ensure safety, observe all warnings and cau�ons while using the product.

Do not get wet

Avoid to electric leakage, 

crack, fire

.

Do not allow product being exposed to the sunlight.

Avoid to ba�ery filud leakage, crack and fire, especially in low

power.

Do not touch fluid with bare hands

If fluid gets in your eyes, wash your eyes immediately. If your skin in contact with fluid,

immediately wash the affected skin with water. If you experience eyes or skin irrita�on, 

consult doctor.

Charge only with the included USB Cable .

When charging, make sure to use the included  USB charging cable to avoid malfunc�on or fire.

Do not use the product if it is abnormal.

Do not use the product from a device if the product begins to malfunc�on, producing smoke,

odor, heat, unwanted noise or showing other signs of damage.

Do not disassemble, modify.

Do not disassemble, modify or 

a�empt to repair the products to avoid 

electric shcok, malfunc�on or fire.

Do not allow the product to get wet

Do not allow the product to get wet to avoid

electric shock or malfunc�on

Do not use the product if you are cycling or driving.

Do not use the product to avoid the accidents when you are cycling or driving.

Do not use the products in loud volume in places where need to cau�on.

The product effec�vely shields external sound, so you may not ambient sound around

you while hearing the product. Adjust the volume to a level where you can s�ll hear

background sound.

Discon�nue use if skin irrita�on or feel sick.

If you begin to feel sick or skin irrita�on, please discon�nue use immediately.

Do not use the product in place where has magne�c equipment.

Radio waves may affect cardiac pacemakers and medical electronic equipment.

HMC-K158 Guarantee

This guarantee provides for free repair in accordance with the contents and items that have 

recorded. It isinvalid if the necessary contents and items are out of this manual, 

so please read twice and keep a complete record in case of repairing.

1. If the product works abnormally under the manual guide. You can apply for a�er service to us

or the store you buy it.

2. If the products are in the guarantee period,  please contact the store or us for free repair

We will charge for repair in the condi�on as follow, even in the warranty period.

(1) The misuse and malfunc�on of the products and the damage caused by repair in private.

(2) The malfunc�on caused by disaster like fire disasters, earthquake, thunder etc.

(3) The malfunc�on and damage caused abnormally used. (Voca�onal use for a long �me)

(4) This guarantee hasn't recorded the date of purchase, customer name , sales name, or the 

guarantee contents are obliterated.

*This guarantee will not be issued again, please keep it properly.

*The product is not promised to keep data which stored in your devices if there any damage

occur. We disclam all responsibility for the loss or damage of the data in this situa�on.

Guarantee 

Period

Customer

1 Year from Purchase Date(Y/M/D):   

Name
Address

Sales Store

Earnestly Promise

Your informa�on in this guarantee will be only used for the repair. 

We will keep it confiden�al. We will not share to the third party without your agreement.

Bluetooth Troubleshoo�ng

Made in China with Japanese design

Problems about Pairing, no sound and the soluc�on.

Obstacles between product and the Bluetooth device, such as people, metal, walls

and place the product and device closer together.

Place the product and the Bluetooth device within 10m of each other.

The product may be unable to pair if Bluetooth device connect to the product and

Wi-Fi in the same �me.

Turn off Wi-Fi and pair the product with the Bluetooth device again.

The product is unable to connect or control due to APPs and other products 

has connected your Bluetooth devices.

Turn off the APPs and make sure your Bluetooth device has not connected with other product.

   

Please follow these solu�ons as follow

Delate the record on your Bluetooth devices, and follow step “ Connect and Pair

via Bluetooth” to pair again

Turn off the product and Bluetooth device power and pair agian.

Recharge the product with charging case.
The product are not promised to pair with all the Bluetooth device.

If any par error affects Bluetooth device, KONG-X disclams responsibility.

To improve the apparences and packages, KONG-X has right to update without no�cifica�on. 

To ensure the quliaty, we will replace the defec�ve products with new ones for manufacturing

reason.

Room 313, Building No.1, Yifang Industrial Park (138 Park),

Hongye North No.1Road, Tangxia, Dongguan, Guangdong

 China.

TEL: 0769-8225 2556  Emai: [email protected]

Website: www.kong-x.com

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