F9 Fingerprint Touch Bluetooth Earphone Earbuds Power LED

► Please note the following instructions when purchasing a Bluetooth headset

Bluetooth connection
1. The voice is too loud. When communicating with people, the earphone sound is not good.
Answer: It is possible that your headset is too loud, which affects the sound quality or cannot make calls in places where the Bluetooth signal is unstable.
2. When making audio calls or listening to music, the sound is very small.
Answer: You can increase the sound by adjusting the phone volume keys
3. Why can't I turn on the Bluetooth headset I bought after receiving it? What should I do
Answer: Due to long-term transportation, the power consumption is very large, and the headset is dead. After receiving the Bluetooth headset, the first thing is to charge the headset
1. After opening the lid, there is no need to take out the earphones, the two earplugs will automatically open and pair with each other.
2. Turn on the Bluetooth of the mobile phone, search for "F9" through the Bluetooth menu of the mobile phone, and then click "F9" to connect.
3. Turn off the Bluetooth headset, press and hold

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Description【Balanced,Immersive Sound】:wireless earbuds with the built-in high-quality audio chip，deliver Hi-fi sound quality, achieving the sound of the immersive music scene surround sound.【Battery LED Display】:The bluetooth earphone in ear of the new model has a Battery LED display function .By touching the button you can easily read the power of the box, without worrying about the power outage of the box. one-button operation, play pause, answer hang up, summon Siri, switch songs.【Waterproof & Ergonomical Design】:waterproof level can easily resist sweat and water, and you don't have to worry even if it rains.These sport headphones are very suitable for outdoor sports, workouts whole day, just enjoy yourself !【True Wireless Earbuds with Box】 : Mini box and easy to carry, true wireless connection and charging.Mini box can do mobile phone bracket (The box has a USB interface to your other devices urgently)【Customer Experience】:We check products at every level before out of storage. If you encounter any problems, please contact us in time, because we focus on providing each customer good shopping experience.

Attention:We QC the products during shipment to ensure that the products are delivered to you with the best quality.We update our product regularly, if you want to check other cool products,   @Coopershop will always be welcome.
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 Please check other types of earphones in our store  @Coopershop. I bet you will like it. 
Note: 
If you have any questions, please read the instructions.
If you're not interested in this, You can find other nice products in our store   @Coopershop
We hope our products can make you happy. 

Troubleshooting:
1. Why does my 1 headset stop working and charging after a period of use?
Answer: Please check whether there is any foreign body blocking the charging port of the earphone. If so, clean it with a toothpick.


2. Why can't the headset be turned on in the charging compartment?
Answer: In the charging compartment, the headset will only display lights during charging. When the headset is fully charged, the indicator light will automatically turn off to protect the headset battery.
3. Why can't the headset connect to the phone?


Answer: Due to improper operation, the two earphones are not connected in series. Please put the two earphones back into the charging compartment, turn off the Bluetooth of the mobile phone and delete the Bluetooth corresponding record, take out the two earphones from the compartment to charge, and then turn them on again. mobile phone bluetooth search headset bluetooth, 2 headset bluetooth connection success.