Blackview AirBuds 4 Wireless Charging Earbuds User Guide
- June 11, 2024
- Blackview
Table of Contents
Blackview AirBuds 4 Wireless Charging Earbuds User Guide
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Product Instroductions
Device Connection
-
Open the cover of the charging box, and find two earphones, which blink in red/blue to indicate pairing state.
-
Turn on the Bluetooth function of device, and select “AirBuds 4”. If the connection is successful, there will be a voice prompt.
Note: The above steps are applicable for the first pairing. After that, when you take the earphones from the charging box, they will automatically turn on and connect to device.
Specification Parameters
- Type: AirBuds 4
- Bluetooth ver.: 5.3
- Battery type: Polymer lithium battery
- Effective range of
- Bluetooth: > 10m
- Bluetooth frequency: 2.402 -2.480 GHz
- Dynamic-coil size: 0 13mm
- Dynamic frequency response: 20Hz-20KHz
- Battery capacity (charging box): 400mAh
- Charging time (charging box):<2 h
- Charging time (earphones):<1.5 h
- Playback time: 7 h (80%)
Operation Method
| Left Ear| Right Ear
---|---|---
Start Siri| Press and hold the key “Touch” for is
Pause/Play Music| Double click the key “Touch”
Back| Triple-click the key
“Touch”| Null
Next| Null| Triple-click the key
“Touch”
Answer| Double-click the key “Touch” in called status
Hang up| Double-click the key “Touch” in talking status
Reject| Press and hold the key “Touch”
for 2s in called status
Vol –| Click the key “Touch”| Null
Vol +| Null| Click the key “Touch”
Reset to factory
defaults| Click the “Touch” button four times
Charging with Charging Box
Charge the charging box via Type-C interface. Orange light blinks while
charging, and remains on while fully charged.
Light indicators
| Power on | Blue light normally on for 2s |
|---|---|
| Power off | Red light normally on for 2s |
| Pairing | Red/blue lights blink alternately |
| Connected (standby) | Blue light blinks every 5s |
| Playing music/talking | Earphone lights off |
| Called | When there is an incoming call, |
the blue light blinks twice every 2s
Earphone low battery| Red light blinks twice every 5s
Earphone fully charged| Green light of the charging box
always on when earphones are
being charged, and it goes out
when earphones are fully charged
Charging box low battery| Green light blinks
Charge the charging box| Orange light blinks
Charging box fully charged| Orange light always on
Reset to factory defaults| Red/blue lights blink together for 3
times and extinguish
Answers for Common Questions
-
The bluetooth headset cannot be switched on. Reason:
The battery in the charging compartment is low or the power of the bluetooth headset is low. Solution: Put the headset into the charging box, close the cover, and charge the charging box for more than 1 hour before use. -
The phone cannot search for bluetooth headset.
Reason: 1. The Bluetooth headset is not in the pairing state;
Solution : Put the headset back into the charging box, close and then open the cover, wear the headset, and the headset (i.e. the red and blue lights flash alternately) enters the bluetooth pairing state; You can also click the “Touch” button for four times (the headset power off) to reset it.
Reason:2. There are mobile phone bluetooth program errors;
Solution: After the bluetooth of the mobile phone is restarted, clear all pairing data stored in the the mobile phone; Search for bluetooth again. -
There is no sound from the headset speaker
Reason: 1. Turn the volume of the mobile phone and headset to the maximum and confirm whether it is caused by volume adjustment.
Solution : When the headset is connected, adjust the volume of the mobile phone;
Reason: 2. The Bluetooth headset is not properly connected with the mobile phone.
Solution : Reconnect bluetooth and mobile phone through pairing.
Reason: 3. The Bluetooth headset is not within the valid working range. Solution: Keep the headset within 10 meters of the mobile phone, and there are no large objects, walls and other obstacles between the headset and the device. -
The headset doesn’t send messages or the voice is low.
Reason: 1. The Bluetooth headset is too far from the mouth;
Solution: The bluetooth headset should be worn on the ear for normal use; Reason: 2. The microphone hole of Bluetooth is blocked or water has entered; Solution: Remove the blockage of the microphone hole or prevent water from entering the microphone hole. -
The headphone get stuck or disconnected when talking or listening to music. Reason: 1. The Bluetooth headset is too far away from the mobile phone or there are obstacles.
Solution: 1. Keep the headset within 10 meters of the mobile phone, and there are no large objects and walls between the headset and the device. Be careful not to cover the bluetooth headset with your hand. In order to maintain the continuous stability of the signal, please try to keep the bluetooth and the mobile phone in the same direction.
Reason: 2. There is a problem with the bluetooth signal of the mobile phone or there is strong signal interference nearby.
Solution: It is best not to make the mobile phone close to metal objects. You can also change another mobile phone or try another place.
Reason: 3. The power of bluetooth headset is insufficient. Please charge the headset as soon as possible. Solution: Please charge the headset as soon as possible. -
There is no sound in the headset during voice call, and the sound comes out of the mobile phone. Reason: The headset is operated during a voice call or call. Double click the headset.
Solution: Turn off the bluetooth of the mobile phone and then turn it on, or put the headset into the box, close the cover, turn off the headset and then open the cover; The headset does not support the connection or hanging up of voice calls. If there is a voice call, please connect or hang up on the mobile phone. (Note: at present,the headset only supports incoming calls from GSM cards, not app network calls.) -
After the headset is put into the box and the cover is closed, the headset is not disconnected.
Reason: 1. The charging box is completely dead;
Solution: Charge the charging box;
Reason: 2. The headset is not put into the box properly, and the communication between the headset and the base is abnormal.
Solution : Reopen the charging box, take out the headset from the box, and then put it into the box.
Reason: 3. The charging box is damaged.
Solution: Replace the charging box.
Attention
- Please do not disassemble this product by yourself.
- Please use standard charging cable and adapter to avoid damage and accidents.
- Please aviod using corrosive cleaning detergent to clean this product.
- Please avoid product usage in the rain and keep away from heating or fire.
Maintenance
Please follow the following suggestions to prolong product working life.
- Keep product dry and don’t put in damp places in case of affecting internal circuit.
- Aviod product usage during intense sporting or on sweating occasions in case sweat infiltrate into product and cause damages.
- Keep off sunlight or high temperature in case of shortening working life of electric parts battery damage, plastic parts deformation.
- Keep off intense vibration and impact from hard material in case of internal circuit damages.