acme BH411 Bluetooth Wireless Earbuds User Manual
- June 4, 2024
- acme
Table of Contents
BH411 Bluetooth Wireless Earbuds
User Manual
BH411 true WIreLeSS earbuds
Technical specifications
Type: in-ear, Bluetooth
Frequency response: 20-20 000 Hz
Driver size: 6 mm
Bluetooth version: v4.2
Frequency range: 2.4 – 2.48 GHz
Maximal output radio frequency power: 2.4 dBm / 1.74 mW
Working distance: up to 10 m
Power supply: micro-USB, 5V DC
Microphone: built-in
Battery (charging case): Li-poly, 460 mAH (1.7 Wh)
Earphones charging time: up to 1 hour
Charging time of the charging case: up to 2 hours
Standby time: up to 80 hours
Playback time: up to 3 hours
Recharging with the charging case: 2-3 times
Total weight: 41 g
WARNING: Listening at a high volume for a long time may damage your
hearing.
Product Overview
- Power (multifunction) button
- Indicator light and MIC
- Speaker
- Charging contacts
- Opening button
- Charging indicator
- Micro-USB charging port
Before you start using the earphones, you must charge the battery and pair the earphones with a compatible device.
Charging the earphones and charging case
The BH411 charging case has an internal, rechargeable battery that must be fully charged before being used for the first time. It takes about 2 hours to fully charge the battery for the first time. If you do not use the device for a long period of time, please charge it once every 2 months to avoid damage to the battery.
-
Put the earphones in the charging case and close the cover to charge.
During charging, the indicators will show a steady red color. When the battery is fully charged, the red light will turn off. -
Use the USB charging cable to charge the charging case. The indicator light of the charging case is red when being charged. It will turn off automatically after being fully charged.
Fully charged earphone batteries have the power for up to 3 hours of playback time (9 hours more from the charging case). When the batteries are running out of power, a voice prompt will be heard. This indicates that the earphones need to be charged as soon as possible.
Pairing
Automatic (with the charging case) method:
- Remove the two earphones from the charging case* and wait for 10 seconds. The two earphones will power on and enter to the pairing mode automatically. A fast-blinking red/blue LED light on the right earphone and a slowly-blinking blue LED light on the left one will indicate that the earphone is ready to pair with your device.
- Turn on the Bluetooth function on your device, select BH411 from the list, and pair the earphone.
- A voice prompt will be heard from the right earphone saying that the earphones are connected.
*The charging case must be closed tightly before opening it and removing the earphones.
Manual (without the charging case) method:
- When both earphones are in an off state, press and hold the power (multifunction) button of both for 3-4 seconds. A voice prompt will be heard from both earphones saying that the left and right channels are successfully connected. Then a voice prompt will be heard saying which earphone is the left one (“left channel”) and which is the right one (“right channel”), and after that, in the right earphone you will hear the voice prompt of “pairing”.
- Turn on the Bluetooth function on your device, select BH411 from the list, and pair the devices.
- A voice prompt will be heard from the right earphone saying that the earphones are connected.
If pairing is successful, the earphones will enter to an idle mode and the blue lights will flash once every 5 seconds in different earphones. If no Bluetooth connection is made within 10 minutes, the earphones will turn off automatically.
Basic Use
To switch on, when both earphones are in an off state, press and hold the
power (multifunction) button for 3 seconds for both earphones at the same time
until the blue indicator light flashes 3 times with the voice prompt of “power
on”.
To switch off, when both earphones are in an on state, press and hold the
power (multifunction) button of one earphone (left or right) for 3 seconds to
power off both earphones until the red indicator light flashes 3 times with
the voice prompt of “power off” or just put them back into the charging case.
Automatic reconnection
When both earphones are in an off state, remove them from the charging case at
the same time, and they will reconnect automatically. And the right (main)
earphone will reconnect to the paired device automatically.
Answer a call
When there is an incoming call, press the power (multifunction) button on the
right (main) earphone.
While making phone calls, only the right (main) earphone produces sound.
Reject a call
Press and hold the power (multifunction) button of the right (main) earphone
for 2 seconds.
End a call
To end the call, press the power (multifunction) button on the right (main)
earphone.
Redial the last dialed phone number
When the BH411 is in idle mode, you can double-click the power (multifunction)
button on the right (main) earphone to redial the last dialled number.
Play/Pause
Short press the power (multifunction) button to play or pause a movie/music.
Wearing the earphones
To properly wear the earphones:
STEP 1. Place the earphones in the ears as shown.
STEP 2. Slightly rotate the earphone until it gets tight.
LED indications
| No. | Status | Headset Performance |
|---|---|---|
| 1 | Pairing | The indicator light of the right earphone flashes red and blue |
alternately; when successfully connected to the device, the indicator light
flashes blue once every 5 seconds.
2| Standby mode| The indicator light of the right earphone flashes blue every
5 seconds.
3| Call state| In case of an incoming call, the indicator light of the
earphone flashes red every 5 seconds.
4| Headset charging state| The indicator light of the headset is red when
being charged and will turn off automatically after being fully charged.
5| Charging case
charging state| The indicator light of the charging case is red when being
charged and will turn off automatically after being fully charged.
6| Power on state| The indicator light flashes blue 3 times and then flashes
red once every 5 seconds.
7| Power off state| The indicator light flashes red 3 times.
8| Low battery alarm| The indicator light flashes red once every 20 seconds.
Troubleshooting
| Faults | Reasons and Solutions |
|---|
The earphones cannot be turned on.
The earphones turn off automatically.
The earphones cannot turn on by picking them up from the charging case.|
Charging case low battery protection. Recharge your earphones
and charging case.
Music is not playing.| Make sure that both devices are
paired and connected and that”Media playback” is enabled in your Bluetooth
settings. Try to pair it again.
Pairing was successful but the device cannot find the right earphone or
reconnect/connect.| Too many pairing records. Delete
pairing records (unpair) and try again. It is possible that you are not able
to
connect because the earphones are paired with another nearby device. You will
have to disconnect the other device, or even turn off its Bluetooth function.
Now you can try again to pair or reconnect.
The charging case indicator has no light while charging.| DC power supply does
not output power. Check your USB connections and try
to charge with a different charger.
The earphone indicator has no light while charging.| Check the pogo pin
charging points. Place the earphone correctly in the charging case.
Care and maintenance
- Don’t use abrasive cleaning solvents to clean the headset.
- Do not expose the headset to extremely high or low temperatures as this will shorten the life of electronic devices, destroy the battery or distort certain plastic parts.
- Don’t dispose of the headset in a fire as it will result in an explosion.
- Don’t expose the headset to contact with sharp objects as this will cause scratches and damage.
- Don’t let the headset fall down onto the floor. The internal circuit might get damaged.
Waste Electrical and Electronic Equipment (WEEE) Symbol
The use of the WEEE symbol indicates that this product may not be treated as
household waste. By ensuring this product is disposed of correctly, you will
help protect the environment. For more detailed information about the
recycling of this product, please contact your local authority, your household
waste disposal service provider or the shop where you purchased the product.
EU Declaration
ACME Europe hereby declares that this equipment is in compliance with the
essential requirements and other relevant provisions of:
“RED 2014/53/EU” Directive;
“RoHS 2011/65/EU” Directive.
The declaration of conformity can be accessed at: http://www.acme.eu/en-us
/declarations-conformity
Warranty card
| Product | Product model |
|---|---|
| Product purchase date | Seller name, address |
Failures (date, description, position of the person who accepts the product, first name, last name, and signature)
-
Warranty period
Warranty enters into force starting with the day when the buyer acquires the product from the seller. The warranty period is indicated on the package of the product. -
Warranty conditions
The warranty is valid only by providing an original document of the product acquisition and this warranty sheet, which includes name of the product model, product purchase date, and name and address of the seller.
If it is noticed during the warranty period that the product has faults and these faults were not caused by any of the reasons when the warranty is not applied as indicated in the paragraphs below, the manufacturer undertakes to replace the product.
The warranty is not applied to regular testing, maintenance, and repair or replacement of the parts which are worn out naturally.
The warranty is not applied if damage or failures occurred due to the following reasons:
- Inappropriate installation of the product, inappropriate usage and/or operating the product without following the manual, technical requirements and safety standards as provided by the manufacturer, and additionally, inappropriate warehousing, falling from heights as well as hard strikes.
- Corrosion, mud, water, and sand.
- Repair works, modifications or cleaning, which were performed by a service not authorized by the manufacturer.
- Usage of the spare parts, software or consumptive materials which do not apply to the product.
- Accidents or events or any other reason+s which do not depend on the manufacturer, which includes lightning, water, fire, magnetic field and inappropriate ventilation.
- If the product does not meet the standards and specifications of the particular country, in which it was not bought. Any attempt to adjust the product in order to meet technical and safety requirements such as those in other countries withdraws all the rights to the warranty service. If no failures are detected in the product, all the expenses in relation to the service are covered by the buyer.
Designed in EU by ACME Europe UAB, Raudondvario pl.
131B, LT-47191, Kaunas, Lithuania
E-mail: support@acme.eu
Rev. 4.0 Printed in China