Shenzhen Ocen Technology BS9 Wireless Earbuds

Shenzhe- Ocen-Technology-BS9-Wireless-Earbuds-

Package Contents

  • Wireless Earbuds -1 pair (left and right)
  • 1xCharging Case
  • 1xType-c Charging cable
  • 1xUser Manual

At a Glance EarbudsShenzhe- Ocen-Technology-BS9-Wireless-Earbuds-1

Charging CaseShenzhe- Ocen-Technology-BS9-Wireless-Earbuds-2

Charging Case Indicator Guide

……… ……..


The charging case indicator flashes red.

Fully charged

The charging case indicator stays blue

Earbuds LED Indicator Guide


Power on

The LEO indicator stays Red and blue lights flash alternately
Power off The LEO indicator flashes red.

Pairing mode

The LED indicator flashes red and blue alternately.
Connected with phone The Led indicator goes off.
Charging The LED indicator stays red.
Fully Charged The Led indicator flashes blue for 5

seconds and then goes off.

When your earbud battery life is low, you will hear  voice reminder.

  1. Plug the small end of the Type-C cable into the Micro USB port of the charging case.
  2. Plug the other end into a USB wall charger or computer (DC 5V) that is powered on.

It takes approximately 2 hours to fully charge the charging case. A fully charged charging case can charge the earbuds approximately 5 limes. Power on & off

Automatic operation

  • Power on: Open the charging case, the earbuds will power on automatically
  • Power off: Put the earbuds back into the charging case.
    Note: When the charging case is out of power, putting the earbuds back in the charging case will not turn the earbuds off.

Manual operation

  • Power on/off: Tap and hold the touch button on the left/right earbud for 5 seconds.
    Note: When the two earbuds are paired with the phone, tum off one earbud manually will make the other one be off at the same time.

Smart Touch Control usage

  • Decline Incoming call: Double click one earbud.
  • Pick up/ Hang up phone call: Click one earbud.
  • Siri: Touch 3 times of any earbud.
  • Play/ Pause: Short touch of one earbud.
  • Volume -: Touch and hold left earbud for 3s.
  • Volume+: Touch and hold right earbud for 3s.
  • Previous Song: Touch 2 times of Left earbud.
  • Next Song: Touch 2 times of Right earbud.

Precautions for use

  • Read all the instructions before using the charging case.
  • To reduce the risk of injury, close supervision is necessary when the charging case is used near children.
  • Do not expose charging case to water, rain, liquids or snow.
  • Use of a power supply or charger that is not recommended or sold by power pack manufacturer may result in a risk of fire or injury.
  • Do not use the charging case in excess of its output range.
  • Do not use a charging case that is damaged or modified. Damaged or modified batteries may exhibit unpredictable behavior resulting in fire, explosion or risk of injury.
  • Do not disassemble the charging case. Incorrect reassembly may result in risk of fire or injury.
  • Do not open, crush or expose a charging case to fire or excessive temperature. Exposure to fire or extreme temperature may cause explosion.
  • Have servicing performed by a qualified repair person using only identical replacement parts.


Model B89
Bluetooth Version V5.1
–                                                   –
Battery 35mAh (each earbud),

600mAh (charging case)


Charging Time


Approximately 1 hour (earbuds), 2 hours (charging case)

Input Rating DC5V=1A

Music Playing/Call Tune

4-5 hours per charge Up to 35 hours (with charging


Bluetooth Connection Distance Up to 50 feet (No obstacle between)
Supporting Protocols A2DP/HFP/HSPIAVRCP
Working temperature -1 o·c to 4o•c


  1. 1. Q: Does ii appear stuck during a call?
    A:(DUse the earbud within 5-10 meters of the Bluetooth connection between the phone and the earbud, and there is no substantive obstruction between the Bluetooth device and the earbud (e.g. wall, etc.). @Confirm if the phone network signal is stable, use this product when the network signal is good.
  2. Q: Is Bluetooth frequently disconnected?
    A: Confirm if the distance between the earbud and the phone is too far away, the Bluetooth signal will be reduced when the distance exceeds 5-10 meters.
  3. Q: Only one earbud is connected?
    A:(confirm if the other earbud is electricity @When the two earbuds are electricity, if appears pairing problem, put these earbuds back into the case and close the cover, then take out the two earbuds to complete automatic pairing.
  4. Q: Is the battery life of the earbud short?
    A:(make sure that if the earbud is fully charged @The playback of volume will affect battery usage time ®Confirm if the charging case is electricity
  5. Q: Is the earbud waterproof? May take a shower with it?
    A: IPX6 waterproof, only sweatproof and a little rain, cannot use it for swimming or bathing.
  6. Q: Easy to slide the earbud?
    A: This product is equipped with different sizes eartips to satisfy
    different people, please select the right size to use.
  7. Q: Does the earbud light up in red?
    A: When the earbud battery is quite low, the red light flashes slowly, there will be a prompt tone “battery low”, charge the earbuds on time.
  8. Can~ charge the earbud?
    A: Charge the earbud with the charging cable from the product and make sure that if the cable is connected correctly, or check the earphone charging pole and the charging pin in the charging compartment for foreign objects.
  9. Q: How many times can the charging case charge the earbud?
    A: You can charge the earbud 5 times when the charging case is fully charged.

If you have any questions, please feel free to send an email to contact me.
Email address:

FCC Statement

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. 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 correct the interference by one or more of the following measures:

  • Reorient the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment into and 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 your authority to operate the equipment.

Documents / Resources

Shenzhen Ocen Technology BS9 Wireless Earbuds [pdf] User Manual
BS9, 2AUVC-BS9, 2AUVCBS9, BS9 Wireless Earbuds, Wireless Earbuds

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