1. Einleitung
The ACREO OpenBuds are a new generation of true open-ear wireless earbuds designed for comfort and stability during various activities. They feature ear hooks for a secure fit and an open-ear design that allows you to remain aware of your surroundings while enjoying high-quality audio. These earbuds are built with advanced acoustic technology to deliver a powerful sound experience.

Figure 1: ACREO OpenBuds designed for comfortable and steady wearing during outdoor activities.
2. Lieferumfang
Your ACREO OpenBuds package includes the following items:
- ACREO OpenBuds (Left and Right Earbuds)
- Ladeetui
- Ladekabel (USB-C)
- Bedienungsanleitung
- Tragetasche
Video 1: ACREO OpenBuds Unboxing and Quick Start Guide. This video demonstrates the contents of the product packaging.
3. Einrichtung & Kopplung
Follow these steps to set up and pair your ACREO OpenBuds for the first time:
- Einschalten: Öffnen Sie das Ladecase. Die Ohrhörer schalten sich automatisch ein und wechseln in den Kopplungsmodus.
- Bluetooth aktivieren: Aktivieren Sie Bluetooth auf Ihrem Smartphone oder Gerät.
- Verbinden: In your device's Bluetooth menu, search for "ACREO OpenBuds" and select it to connect.
- Automatische Wiederverbindung: After the first successful connection, the earbuds will automatically connect to the most recently paired device when removed from the case.
4. Bedienelemente
The ACREO OpenBuds feature a single physical button on each earbud for controlling various functions:
- Ein-/Ausschalten: Halten Sie einen der Ohrhörer 5 Sekunden lang gedrückt.
- Abspielen/Pause: Short press either earbud once.
- Lautstärke erhöhen: Double press the Right earbud.
- Lautstärke runter: Double press the Left earbud.
- Nächster Titel: Long press the Right earbud for 2 seconds.
- Vorheriges Lied: Long press the Left earbud for 2 seconds.
- Sprachassistent (Siri) aktivieren: Triple press either earbud.
- Anruf annehmen/auflegen: Short press either earbud once.
- Anruf ablehnen: Einen der Ohrhörer lange drücken.

Figure 2: Earbud control functions.
5. Aufladen
The ACREO OpenBuds charging case supports both USB-C cable charging and wireless charging. The earbuds provide up to 6 hours of playtime on a single charge, and the charging case extends total playtime to up to 18 hours.
- Aufladen des Gehäuses: Connect the provided USB-C cable to the charging port on the case, or place the case on a compatible wireless charging pad. Four white indicator lights on the case will show the charging status.
- Aufladen der Ohrhörer: Legen Sie die Ohrhörer in das Ladecase. Der Ladevorgang startet automatisch.
- Ladezeit: Ungefähr 1.5 Stunden für eine vollständige Aufladung.

Figure 3: Charging the ACREO OpenBuds case wirelessly.
6. Wartung und Langlebigkeit
The ACREO OpenBuds are designed for durability and reliability, featuring IPX7 waterproofing. This makes them suitable for active lifestyles and various weather conditions.
- IPX7 Wasserdicht: The earbuds are sweat-proof, splash-proof, and rainproof. They are ideal for workouts, running, and other sports activities.
- Reinigung: Regularly wipe the earbuds and charging case with a soft, dry cloth to remove sweat, dirt, or debris.
- Lagerung: Bewahren Sie die Ohrhörer bei Nichtgebrauch im Ladecase auf, um sie zu schützen und sicherzustellen, dass sie geladen bleiben.

Figure 4: ACREO OpenBuds are IPX7 waterproof, making them resistant to sweat, splashes, and rain.
7. Spezifikationen
| Modellname | OpenBuds |
| Modellnummer | A8 |
| Marke | ACREO |
| Konnektivitätstechnologie | Kabellos (Bluetooth 5.1) |
| Bluetooth-Reichweite | 10 Meter |
| Audiotreibertyp | Dynamischer Treiber |
| Größe des Audiotreibers | 16.2 Millimeter |
| Frequenzgang | 20 Hz – 20 kHz |
| Akkulaufzeit (Ohrhörer) | 6 Stunden |
| Akkulaufzeit (mit Hülle) | Bis zu 18 Stunden |
| Ladezeit | 1.5 Stunden |
| Wasserbeständigkeit | IPX7 (wasserdicht) |
| Artikelgewicht | 10 Gramm (0.353 Unzen) |
| Material | Plastik |
8. Fehlerbehebung
If you encounter any issues with your ACREO OpenBuds, try the following troubleshooting steps:
- Keine Ton-/Verbindungsprobleme: Ensure both earbuds are charged and correctly paired with your device. Try turning Bluetooth off and on again on your device.
- Manuelles Ein-/Ausschalten: If earbuds do not power on automatically, press and hold either earbud for 5 seconds to manually turn them on or off.
- Werkseinstellungen zurückgesetzt: If persistent issues occur, perform a factory data reset. Refer to the user manual for specific instructions on how to press the function button seven times to restore factory settings.
- Modus mit geringer Latenz: If experiencing audio delay, press the function button four times to switch between Low Latency Mode and Music Mode.
9. Garantie und Support
ACREO products are designed for reliability and user satisfaction. For warranty information, technical support, or any product-related inquiries, please refer to the contact details provided in your user manual or visit the official ACREO webWebsite.