Ruijie F-400A True Wireless Bluetooth Earphones User Guide
- September 28, 2024
- RuiJie
Table of Contents
Ruijie F-400A True Wireless Bluetooth Earphones
**** Switch
Manual startup
-
Press and hold the MFB button on the left and right headphones for about 3 seconds to turn on the phone.
-
Tum on the charging case and the headphones will automatically turn on.
Manual shutdown
-
Press and hold the MFB button on the left and right headphones for about 5 seconds to turn off the device, accompanied by a beep. (TWS teaming status for left and right earphones, long press on either earphone to turn off, and both earphones will turn off simultaneously)
-
Put it into the charging box and close the upper cover of the charging box. The headphones will automatically shut down and start charging.
Bluetooth connectivity
Pick up two headphones from the charging box
Bluetooth ON
Search Device
Game/Music Control
= Click
= Double click
= Long press for three seconds (Siri wake-up/exit)
= Click
= Double click
= Long press for three seconds (enter/exit)
Call voice control
= Click
= Double click
= Double click
Restore headphones to factory settings
When the headphones are turned on, press and hold the MFB button on the left or right headphones for 5 seconds to clear the TWS pairing and device pairing records.
= Quick click 6 times
Charging description
Headset
Charging compartment
Basic parameters
Earpiece : when the charging case is closed ,The left and right indicator
will light up and breathe, which means that the two earphones are in charging
mode.
Remark : When the charging case has less than 5% power.LED1 flashes four
times and then turns off. And will stop charging the earphones
SPICIFICATIONS
Bluetooth version: 5.3
Charging port: Type-C
Power input: DC/5V
Earbuds battery capacity: 40mAh/3.7V
Music playback time : About 4 hours (80% volume)
Support agreement: A2DP/AVCTP/HSP/HFP
Talk time: 4.5 hours (90% volume)
Charging time: about 1.5 hours
Charging case battery capacity: 400 mAh/3. 7 V
Note
- Please store and use this product in a room temperature environment;
- Do not expose this product to rain or damp environments for a long time;
- Do not throw to avoid product damage caused by falling;
- Do not disassemble, repair, or modify this product on your own;
- Please use a rated voltage power charger for charging;
- Unauthorized disassembly will void the warranty.
FCC Caution:
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.
Any changes or modifications not expressly approved by the party responsible
for compliance could void the user’s authority to operate the equipment.
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.
- The batteries in the charging box and headphones are non replaceable.
- Do not expose to environments such as sunlight, baking, or similar overheating.
Read User Manual Online (PDF format)
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