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
- After opening the charging case cover, the earphone will automatically power on.
- When the headset is powered on and no device is connected, the headset will automatically power off after 5 minutes.
- After putting the earphone into the charging case and closing the cover. the earphone will turn off automatically.
- 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)
- 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)
- 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).
- After the headset is connected with the device, the headset or device will be automatically connected after 3 seconds of power-on.
- 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 |
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.
Documents / Resources
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ACREO ACREO OpenBuds True Wireless Open Ear Earbuds [pdf] User Manual A8, 2AY3A-A8, 2AY3AA8, ACREO OpenBuds True Wireless Open Ear Earbuds, True Wireless Open Ear Earbuds, Open Ear Earbuds, Earbuds |
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[pdf]
Test Report
Measurement Report Kent Test BOJ HK INDUSTRIAL TRADE LIMITED A8 TWS earphones 2AY3A 2AY3AA8 a8 Page 1 of 57 Report No.: UNIA21112520ER-61 FCC RADIO TEST REPORT FCC ID: 2AY3A-A8 Sample TWS earphones Trade Name ACREO Main Model A8 Additional Model A8-A, A8-B, A8-C, A8-D Report No. UNIA21112520ER-61 Prepared for BOJ HK INDUSTRIAL TRADE LIMITED Room D9,6/F, Block 2 Camel Paint Building,62 H... lang:en score:35 filesize: 2.47 M page_count: 57 document date: 2021-12-22 |
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[pdf]
Decleration of Conformity
win7 Model Difference BOJ HK INDUSTRIAL TRADE LIMITED A8 TWS earphones 2AY3A 2AY3AA8 a8 Model Difference Declaration To Whom It May Concern, We, BOJ HK INDUSTRIAL TRADE LIMITED Product: TWS earphones Trade Name: ACREO Model Number: A8, A8-A, A8-B, A8-C, A8-D All model s the function, software and electric circuit are the same, only with a product color and model named different. Te... lang:en score:26 filesize: 206.64 K page_count: 1 document date: 2021-12-17 |
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[pdf]
Guide
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Instructions Decleration of Conformity
International Conference on the Authentic Trilingual Text of Convention Civil Aviation Chicago 1944 ICAO b exCcuter les instructions de ltAssemblCe et s acquitter des fonctions obligations que lui assigne la prCsente c arreter son Doc 8876 EN icscc org cn upload file 20190102 Doc 8876-LC/160 IKTEICNATIONAI. C IVII, , VIATIOX OIIGA,VIZATIOS INTERNATIONAL CONFEKENCE ON THE AUT ... s of Article have sigtledijf piaout r g r e r r r t i a a to q c p g k n c e o r accepted it. 2 A8 regards any State w ch shall subsequently become a party m, to this Pr tocol, in accord.nce w it... lang:en score:13 filesize: 19.8 M page_count: 467 document date: 2005-08-12 |
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Instructions Decleration of Conformity
International Conference on Private Air Law Volume II Documents ICAO refuel or if contrary to his duty instructions he has carelessly flown at a very low height above trees with the consequence that aircraft Doc 7686 EN icscc org cn upload file 20190102 Doc 7686-LC/140 INTERNATIONAL CIVIL AVIATION ORGANIZATION INTERNATIONAL CONFERENCE on Private Air La ... i o n sdes a r t i c l e s 12, 13 e t 14 doft re i n s c r i t e dans l a l e t t r e de trm-pos9;a8risn. 1 L1exp6diteur e s t tenu der fournfr lea renseigneunents e t de joindre l a l e t t r e d... lang:en score:13 filesize: 22.13 M page_count: 310 document date: 2005-08-12 |
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[pdf]
Instructions Decleration of Conformity
International Conference on Air Law Volume II Documents ICAO d The State of nationality the aircraft and national company concerned w i l be able to give clear instructions commanders Doc 8565 EN icscc org cn upload file 20190102 INTEHNATI-DNALCIVIL AVIATION ORGANIZATION INTERNATIONAL CONFERENCE on Air Law Tokyo,August-September ... der has been f i n a l l y adjudged in one Gontr atingState. EOWER3 OF TIIE AIR lrRAF F C O W 8 A8 already atated, t h e Committee oomidered it importmat t h a t the Cormntioa should speaify t h ... lang:en score:11 filesize: 15.68 M page_count: 322 document date: 2005-08-12 |
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Instructions Decleration of Conformity
International Conference on Air Law Volume II Documents ICAO was referred to the Drafting Group with instructions draft a solution or alternative solutions 20 Obligations of States under new instrum Doc 9801 EN icscc org cn upload file 20190102 Doc 9801-DC/4 INTERNATIONAL C M L AVIATION ORGANIZATION INTERNATIONAL CONFERENCE ON AIR LAW Convent ... The procedure for inviting comment by States Parties on draft amendments to the Annex could be eeen a8 -nnecessarilyrestrictive. Since t h e Commission can only make recommendations for draft amendmen... lang:en score:11 filesize: 11.46 M page_count: 306 document date: 2005-08-12 |
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[pdf]
NT 900109A 48 cap 1 Index of manuals nt navy radio ||| RESTRICTED CLASS 48 CAPACITORS ALL TYPES Includes: Fixed, Variable, and Adjustable Capacitors, Wi ... APACI l OR, f1.x d: 12/22/31 mmf NT-48034 v/8om pfm lO ;temp coef ltr B. RE48All2 JAN-C-5 CM55A802K RE48All2 JAN-C-5 CM55B 802K V l , CAI ACITOR, fixed.: 12/22/31 NT-48o31 w/3000 mmf pfm 20... lang:da score:10 filesize: 55.88 M page_count: 462 document date: 2015-07-30 |
Related FCC IDs:
- 2AY3A-A8 - BOJ (HK) INDUSTRIAL & TRADE LIMITED TWS earphones [-A8]
tags: 2AY3A-A8, 2AY3AA8, A8, ACREO, ACREO OpenBuds True Wireless Open Ear Earbuds, earbuds, Open Ear Earbuds, True Wireless Open Ear Earbuds,