BACHJOHANN BACH08 Free OpenFit Open Wearable Stereo User Manual

BACHJOHANN BACH08 Free OpenFit Open Wearable Stereo

Product Specifications

• Battery: 5.3 3.7V/60mAh 3.7V/750mAh
• Bluetooth Connection: Single Device Connection

Product Usage Instructions

• First-time Connection:
  Open the charging case, and the earphones will automatically connect to the phone.

• Subsequent Connections:
  For subsequent connections, simply open the charging case, and the earphones will automatically reconnect to the previously paired device.

• Multi-Device Connection:
  The earphones can simultaneously connect to two playback devices (Device A and Device B). The device that pairs first will be set as the primary device (Device A). When the primary device pauses audio playback, the other device will take over priority for audio playback.

• Easy to Wear:

  1. Take out the earphones
  2. Wear the earphones along the back of the ear
  3. Gently adjust the earphones to a comfortable position
  4. The earphones are ready for use

• Battery Replacement:

  1. Remove the depleted batteries
  2. Take spare batteries from the charging case and replace the depleted ones
  3. Align with the interface and install the batteries properly

FAQ (Frequently Asked Questions)

• How do I switch between bass and vocal sound effects?
  Touch either the left or right earphone 4 times consecutively to switch between bass and vocal sound effects.

• How can I ensure consistent volume levels between the earphones?
  For HarmonyOS/MagicOS devices, go to Phone Settings > Bluetooth, find the pairing name BACH08, touch the icon next to the target earphones, and enable Sync volume with phone. If volume levels are still inconsistent, try placing both earphones back in the charging case or reinstalling the batteries.

Free OpenFit

• Metal Charging Case
• Open  Wearable Stereo
• Removable Spore Battery*
• 2 Product Packaging
• Type-C Charging Coble*1
• Tribute Cord
• Manual & Warranty  Cord
• Brand Brochure

Product Specifications

Bluetooth Connection

Single Device Connection
First-time Connection:

• Turn on the mobile phone’s Bluetooth.
• Open the charging case and bring it close to the phone.
• The phone will search for and connect to the earphone’s Bluetooth with the name “BACH08”. Subsequent Connections:
• Open the charging case, and the earphones will automatically connect to the phone.

Multi-Device Connection

The earphones can simultaneously connect to two playback devices (Device A and Device B). The device that pairs first will be set as the primary device (Device A), with audio playback given priority. When the primary device (Device A) pauses audio playback, if the other device (Device B) is playing audio content, that device will replace Device A as the primary device and take over priority for audio playback.

Easy to Wear

1. Take out the earphones
2. Wear the earphones along the back of the ear
3. Gently adjust the earphones to a comfortable position
4. The earphones are ready

Three-Step Battery Replacement

Function Definition

• Power On:
  The charging compartment opens the lid and the earphone is automatically switched on and paired; after the power change is complete, the earphone is automatically switched on and paired.

• Power Off:
  Put in the charging compartment and close the cover, the earphone will turn off automatically; the earphone will turn off automatically if no device is connected after 5 minutes of powering on.

• Single Ear Use:
  Open the charging case to power on and automatically pair. Once connected to Bluetooth, you can start using it.

• Automatic Reconnection:
  If the phone has not deleted the earphones’ historical pairing name, the earphone will automatically connect upon opening the case.

• EQ Tuning Switch:
  Tap continuously on either the left or right earphone four times to switch between bass and vocal sound effects (the default is initially set to bass sound effect).

Indicator Light Description

• Earphone pairing
  Open the charging case cover, the green light will be on for 2 seconds, followed by the white light flashing slowly. After successful pairing, both the left and right earbuds will flash rapidly 5 times;  simultaneously, there will be a “beep” sound.

• Charge the earphones in the charging case
  When charging, the earphones’ white light stays on, and the charging case’s green light is on; when fully charged, the white light on the earphones and the indicator light on the charging case go out.

• Install the battery into the earphones
  The green light will be on for 2 seconds, and the voice will announce the device is powered on.

• Low battery in earphones
  The white light will flash once every minute, and the voice will give a low battery warning.

• Charge the charging case with a charger
  The orange light will be on continuously during charging, and the green light will be on continuously when fully charged.

• Charge the spare battery in the charging case
  The white light will flash once, and it will take about 2.5 hours to be fully charged. Charge the earphones and spare battery in the charging case with a charger
  The earphones, spare battery, and charging case will charge simultaneously. When the earphones are fully charged, the white light will turn off. When the charging case is fully charged, the green light will stay on constantly.

Volume and Battery Replacement

1. As indicated in the diagram, you can remove the battery by pressing in the direction shown to replace the battery (4 batteries can be used alternately).
2. By touching either the left or right earphone 4 times consecutively, you can switch between bass and vocal sound effects.
3. To avoid differences in volume levels, for devices with the HarmonyOS/MagicOS system, please go to Phone Settings > Bluetooth, find the pairing name BACH08, touch the icon next to the target earphones, and enable Sync volume with phone. (For MagicOS devices, you may need to turn the Bluetooth switch off and on again or reconnect the Bluetooth device for the changes to take effect.)

Note :
If the volume of the two earphones is inconsistent, please follow these two methods to restore:

1. Place both earphones back in the charging case, close the lid, and then take them out again.
2. Remove the batteries from both earphones and then reinstall them.

Factory Reset

In dual-ear mode, by touching either the left or right earphone 6 times consecutively, all Bluetooth pairing history will be cleared, completing the factory reset.

Note :
Please do not use this function in single-ear mode. If this function is accidentally activated, please also reset the other earphone to factory settings, then touch the right earphone twice to enter pairing mode and reconnect to the device.

Precautions

1. This product is an electronic device and should be stored in a dry, cool, and well-ventilated environment. Avoid contact with oil, water vapor, steam, humidity, and dust, or prolonged exposure to damp conditions, to prevent affecting the product’s performance.
2. It is recommended to use and store this device and its accessories within a temperature range of 5°C to 35°C. Try to avoid prolonged exposure to direct sunlight or other harsh environments. Excessive heat or cold may cause the device to malfunction. When the temperature falls below 5°C, the performance of the battery may be limited.
3. Avoid using any irritating organic solvents or items containing such substances to clean the earphones.
4. Use the earphones correctly and in accordance with requirements. To ensure a smooth connection, it is suggested that the distance between the phone and earphones be within 10 meters.
5. If there are issues such as connection failures or communication difficulties, do not disassemble the earphones or their accessories on your own, otherwise, the company will not provide a warranty.
6. hen charging the earphones, please use the included earphone charging cable and a charger specified by our company that meets the requirements.
7.  If the earphones are not used for a long time or used infrequently, please ensure to completely charge and discharge them to automatic shutdown once a month, then recharge, to avoid shortening the battery life.
8. Please adjust the volume to a moderate level when using to prevent adverse effects on hearing.
9. Children should use this device under adult supervision. The device and its accessories contain small parts. To avoid the risk of children accidentally swallowing these small parts, which could lead to choking or other hazards, please keep them out of reach of children.

After-Sales Service

Warranty Policy

1. Within 15 days from the day after purchase, if the product has a performance failure and is determined by the BACHJOHANN after-sales service center, you can enjoy a free replacement service.
2. Within 12 months from the day after purchase, if the product has a performance failure and is determined by the BACHJOHANN after-sales service center, you can enjoy a free repair service.
   Special Note : The warranty covers the earphones and the charging case. The standard data cable is a consumable of the product and does not have a warranty period.

Non-Warranty Clauses

1. Damage caused by improper use, maintenance, or storage by the user.
2. The product has been subjected to misuse, collision, abuse, liquid ingress, accidents, or modifications.
3. The product has undergone repairs or disassembly without official written authorization.
4. Incorrect use of accessories not belonging to the product.
5. The product model number shown on the order does not match the actual product being repaired, or the product’s anti-counterfeiting mark has been torn, altered, or defaced.
6. Warranty will not be provided beyond the validity period for repair, replacement, and refund services.
7. Damage caused by force majeure, such as earthquakes, fires, floods, typhoons, etc.
8. No warranty will be given without a warranty card.
   Note : Customers applying for after-sales service must fill in the necessary information on the last page (customer’s name, address, phone number, date of purchase, purchase channel, order information, etc.).

FCC warning

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.

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.

Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

Supervised by Boch Audio Co, Ltd Boch Audio (ShenZhen Co., Lid 928 Room, 9th Floor, Building B, Tianzhu Building Dongguan Ist Rood, LongHua Street, Longhua Dist,Shenahen Guangdong China Official website: www.bodrohorn.com Executive Standard: 6849431-2022

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