Dongguan Chenxun Electronics F22 Wireless Earphone User Guide

F22

Wireless Earphone

Specifications

1. Product Model: F22
2. WirelessVersion: V5.0
3. Wireless Profile: A2DP/AVRCP/AVDTP/AVCTP/HFP/GAVDP
4. Effective Range: Approx. 10 m(33 feet)
5. Communication Time: Max. 5 hours (A fully-charged battery)
6. Music Playback Time: Max. 5 hours (A fully-charged battery)
7. Transmission Frequency Range: 2.402GHz~2.480GHz
8. Earphone Battery Capacity: 40mAh/unit
9. Frequency Range: 20Hz-20KHz
10. Standby Hours: Max. 20 hours
11. Power Source: DC 5V

Charging Case Specifications

1. Recharge Cycle: Approx 25 times
2. Charging Port: Micro
3. Battery Capacity: 2000mAh
4. Battery Charge Time: Approx. 2 hours

Note:
Usage hours may be different depending on the settings and conditions of using

Location of Parts

1. Micro Charging Port
2. Battery LED Display
3. Earphone Indicator
4. Multi Function Button(MFB)

Pairing and Connecting with Your Device

Step1: Take out the earphones from charging case. They will power on automatically and you hear voice guidance “PowerOn”.And then they are ready to pair. 5 seconds later, the left earphone indicator flashs in red and blue alternately and the right earphone indicator flashs in blue.
Step2: Activate the wireless function on your device and search F22
Step3: Click F22. You hear voice guidance “Connected” and then the indicator turns off.

Pairing Show Picture

Settings                                     Click settings

Activate Wireless

Connected on your devices function and search for F22 to finish the pairing

Help Guide

Power On: When the earphones power off, pressing and holding MFB for 3 seconds. When the earphones are in charging case, take them out and they power on automatically. The indicator lights up in blue for 1.5 seconds and you hear voice guidance “Power On”.
Power Off: Pressing and holding MFB for 6 seconds. Or put earphones back into charging case. They power off automatically. The indicator lights up in red for 1.5 seconds and you hear voice guidance “Power Off”
Answer/Hang Up/Reject Call: Press MFB once to answer/end the phone call. Press and hold for 1 second to reject the incoming call.

SIRI/Voice Assistant: Press MFB twice to activate the Siri/voice assistant when your device is using wireless connection.
Music Play/Pause: Press MFB once to play and pause the music.
Next Track: Press and hold touch sensor of left earphone for 1 second to move to the next track.
Previous Track: Press and hold touch sensor of right earphone for 1 second to move to the previous track.
Earphone Charging: Put earphones into charging case. They will charge automatically and earphone indicatorlights in red. Indicatorwill turns off after fullycharged.
Charging Case Charing: Connect a DC 5V charger to charging port with the supplied USB cable to charge the charging case.
Factory Reset: Power off the earphones first. Press and hold MFB for 10 seconds until indicator lights up in red and blue at the same time for 1 second.

Notes

1. When the outside of the earphone is dirty, clean it by wiping with a soft dry cloth. If the earphone is particularly dirty, soak a cloth in a dilute solution of neutral detergent, and wring it well before wiping. Do not use solvents such as thinner, benzene, or alcohol, as they may damage the surface.
2. You may hear a cracking noise in your ears when wearing the earbuds. This is not a malfunction.
3. Do not subject the earphone to excessive shock.
4. The touch sensor may not operate properly if you apply stickers or other adhesive items to the touch sensor control panel.
5. The Bluetooth function may not work well with a mobile phone due to the powerful signal interruption.
6. If you experience discomfort while using the unit, stop using it immediately.
7. High volume may affect your hearing.
8. Install the earbuds firmly. Otherwise, they may detach and be left in your ears, resulting in injury or illness.
9. There is a danger that the earphones or the tiny parts of earphones may be swallowed. After using them, store the earphones in the charging case and keep in a location out of the reach of children.

Packing List

Headphones Troubleshooting Guide:

charge the earphone
No sound after connected| Pairing is unsuccessful| Try to pair again
Earphone indicator flashs in red| Battery is low| Charge the earphone
Indicator doesn’t light up when charging| Not a DC 5V charger| Use a DC 5V charger
Sound skipping or noise occurs when you use the earphones to talk on the phone| Earphone is far away from your wireless device. Or microwaves emitting from other WIFI devices may affect the operation of earphone.| Position the earphone and the wireless device as near as possible to each other and keep away from other WIFI devices (CCTV, etc)
Your wireless device is unable to search the earphone| Earphone is power off or earphone program errors happen.| Power on the earphone or reset the earphone

After-Sales Terms

• Warranty period is 12 months.
• Earphone repair or replacement is free if issues are not artificial.
• Feel free to contact us if there is any issue.We will reply you as soon as possible.

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

The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.
Product Name: Wireless Earphone
Model: F22

MADE IN CHINA

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