F9 Wireless Headset Bluetooth Earphone True Bass With Power Banc

• Warm tip: In order to enjoy a better experience, please charge the headset immediately after receiving the product.

Connection method:

• 1. Open the package, peel off the blue insulation film on the headphones, the left and right earbuds out in the charging bin. The headset lights up. If it does not light up, please charge the battery.
• 2. Take out the headset from the charging compartment automatically open and pair automatically. Wait about 10-20 seconds, the left and right earbuds will automatically synchronize. Pairing is successful. 
• 3. open the phone's Bluetooth, find the Bluetooth name of the headset, click to connect, music APP can be set in a variety of sound effects, enjoy HIFI it.
• 4. After using the headset, put it back into the charging compartment, the headset will automatically turn off and charge.
• 5. Use the headset again, take it out of the charging compartment, automatically turn on the phone, automatically pairing connected to the phone (can be operated by a single headset).

How to use：

• A) trigger the phone voice assistant (Android: long press) (IOS: double click).
• B)Click will pause to play music/video.
• C)Quick double click to switch language. (Must be without Bluetooth connection)
• D)Clicking three times in a row will play the next song/video.
• E)Adjust volume by phone volume keys.
• F)Support renaming and locating on the phone.

• For more detailed and more additional functions operation method, please read the product user manual

Description

• PS: that the mobile po wer function of the charging box is mainly to charge the headset, helping users enjoy music and calls longer. This product can only be used as an emergency mobile po wer supply to charge the mobile phone in an emergency. After all, the battery capacity is not large. For example, an emergency call needs to be made but the battery power of the mobile phone is very low.
• *Some mobile phones are charged when the battery case 70% dead, the reason why the phone is too fast to charge, It's not the charging case
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• 1. HIFI Stereo Sound and CVC 8.0 Noise Cancelling:
• M10 wireless earbuds adopt DSR lossless HD rendering technology and CVC 8.0 noise cancelling technology, which produces incredible stereo sound quality with crystal crisp treble.  Enjoy your music everywhere even in a loud environment.  The built-in high-quality microphone of the wireless headphones can provide you with clear call experience.
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• 2. 60-Hour Playing Time and 2500mAh Portable Charging Box:
• The wireless headphones bluetooth can play for 6hrs on a single charge, the charging case can recharge the bluetooth earphones about 10 times, provide extra 60hrs playback.  With USB-C tech, it only takes 1.5hr every full charge for the case.  You can also use the charging case as a mobile po wer source to charge mobile phones or other mobile devices.  Ideal for everyday sport, workout, travel, etc.(Above real data) (Graphic data is for reference only)
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• 3. Latest Bluetooth V5.1 Technology and Full LED Display:
• True wireless earbuds bluetooth 5.1 are equipped with the most advanced Bluetooth 5.1 chip, which provides more stable connection(15m), faster paring(just need 2 seconds ) and universal compatibility.  Rid of cord, enjoy true wireless.  With the individual LED display on the case can help check the remaining power of the wireless bluetooth earbuds and charging case at any time.
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• 4. One Step Pairing and Smart Tou ch Control:
• Just pick up 2 wireless bluetooth headphones from the charging box, they will connect with each other and connect to the last-paired device automatically.  With the high-tech tou ch screen, you can answer calls,hang up, play / pause music, adjust volume, switch songs and activate siri with just a tou ch of your bluetooth earbuds wireless.
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• 5. Waterproof & Ergonomic Design : 
• The wireless earphones are ergonomic, comfortable and light, Equipped with three different sizes of soft silicone ear tips (S, M, L), can be firmly attached to the ear. This in-ear earphone made of wear-resistant materials has the IPX7 waterproof and sweatproof function. It is more suitable for fitness and running enthusiasts. It has a strict process design that can effectively prevent the ingress of rain and sweat.

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Q&A Troubleshooting

• Q:One bluetooth headset is not working!!!
• A:1. Check if the set mono output can be adjusted to both ear channels.
• 2. Check if one headset has run out of battery.
• 3. Check if two headsets are connected to two devices. You can turn off the connection to remove the Bluetooth headset from your phone's Bluetooth list. Re-pair the phone and play the audio again.
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• Q:Bluetooth headset not charging properly !!!
• A:1. The Bluetooth headset has been placed for a long time. If not used for a long time, the lithium battery inside the headset will be in the "sleep" state. As long as the charging time is more than 30 minutes, the headset will show the charging status. 
• 2. the headset has not been used for so long, charging more than half an hour does not show. Check if the headset charging cable plug is damaged, you can try other data cable. Or check if there is anything blocking the charging point of the headset. If there is, please use a toothpick to clean it.
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• Q:When I talk to my friend in a place with too much traffic, the headset can't hear the sound!!!
• Answer:It may be that your headset is not loud enough, which can affect the sound quality or prevent you from talking in places where Bluetooth signal is unstable.
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• Q:When making audio calls or playing music, the sound is very low or the sound does not match!!!
• A:You can increase the sound by adjusting the phone volume keys, music APP has a variety of sound settings, you can choose your own sound quality according to your personal preferences, so as to give full play to the role of HIFI.
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• Q: the headset is not worn firmly, always fall off!
• A:1. Please use the correct way to wear headphones.
• 2. Can follow the different sizes of ear caps.
• 3. Please do not wear in a very strenuous exercise.