ACREO OpenBuds True Wireless Open Ear Earbuds User Manual

User Manual
The New Generation True Wireless Open Ear Earbuds with Wireless Charging

Model: ACREO OpenBuds

Contents of packaging

Product Parts

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Quick Start Guide

1. After opening the charging case cover, the earphone will automatically power on.
2.  When the headset is powered on and no device is connected, the headset will automatically power off after 5 minutes.
3.  After putting the earphone into the charging case and closing the cover. the earphone will turn off automatically.
4. In startup state, long-press the function button of left and right earphones for 5 seconds to shut down (left and right earphones do not shut down synchronously)
5. In power-off state, long-press the function button or for 3 seconds to power on (left and right earphones do not power on synchronously)
6. After the headset is turned on, tum on the Bluetooth of the phone for pairing (search the Bluetooth name in the Bluetooth interface of the phone ACREO OpenBuds click connect).
7. After the headset is connected with the device, the headset or device will be automatically connected after 3 seconds of power-on.
8. Bluetooth will be disconnected when it is out of the connection range, and Bluetooth will be disconnected when it enters the connection range again within 5 minutes Automatic connection.

phone call/music play/volume control/ voice wake up

1 ) Call control
Press once: Answermang up the call
Press the button twice: Connect a third-party call (call status)
Press twice continuously to switch a call (Call status)
Hold down for 2 seconds to reject an incoming call

2. Music control
   Press once: Play/pause
   Long press left earphone for 2S:
   Previous song (playing state) Long press right earphone for 28:
   Next song (playing state)

3. The volume control
   Press the left earphone twice consecutively: Volume – (playing state)
   Press the right headset twice
   consecutively Volume + (playing state)

4. Voice wake up
   Press the button three times: Voice Assistant

Factory data reset

1. Factory data reset Press this button seven times: Restores factory Settings

Bluetooth indicator/voice prompt

State

| Light Indicator|

Voice prompt

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Power on| The blue light flashes three times| Power on/Left channel/ Righichannel
Power off| The red light flashes 3 times| Power off
The Bluetooth pairing| Red and blue light flashing fast| pairing/Connected
The connection is successful| The blue light flashes once every 5S| connected
disconnect| Red and blue light flashing fast|  Disconnectipairing
Mobile phone calls| The blue light flashes once every 5S| Phone ring
Music state| The blue lot flashes once every 5S| /
factory data reset| The blue light flashes once every 5S| Disconnected / Pairing

specification

Bluetooth version:
Support agreement:
Bluetooth range:
Speakeasy diameter:
Frequency response:
SPL output:
Battery type:
Charging time:
Frequency band:
Maximum transmitting power:

FCC Warning Statement

Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. 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.
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.

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