SENTRY OSH-OVHDBKZ
SENTRY OSH Over Ear Bluetooth Wireless Headphones User Manual
Model: OSH-OVHDBKZ
Indledning
The Sentry Over the Ear Wireless Active Noise Cancelling Headphones are designed to provide an immersive audio experience with advanced noise cancellation. These headphones offer up to -20dB of noise reduction, ensuring a focused listening environment. Featuring Bluetooth V5.3 for seamless wireless connectivity, a long-lasting battery, and a comfortable, foldable design, they are ideal for travel and daily use. Integrated controls allow for easy management of audio and calls.

Figure 1: SENTRY OSH Over Ear Bluetooth Wireless Headphones and Carrying Case.
Hvad er der i æsken
Upon opening your SENTRY OSH headphone package, you will find the following items:
- SENTRY OSH Over Ear Bluetooth Wireless Headphones
- USB C Charging Wire
- Beskyttende bæretaske
- Brugervejledning (dette dokument)

Figure 2: The included hard shell carrying case provides protection and portability for your headphones.
Produktegenskaber
Avanceret støjreduktion
These headphones are equipped with Active Noise Cancellation (ANC) technology, effectively blocking out ambient noise by up to -20dB. This feature allows for an isolated listening experience, minimizing distractions from your surroundings. The ANC is particularly effective at reducing mid to high-frequency sounds.

Figure 3: Key features including Active Noise Cancellation and Bluetooth V5.3.

Figure 4: Awareness Mode allows you to stay connected to your surroundings while enjoying audio.
Wireless Connectivity (Bluetooth V5.3)
Experience seamless audio streaming with Bluetooth V5.3, offering up to 30 feet of stable, unbreakable connectivity. No application is required for pairing, ensuring a straightforward connection process with your devices. On-ear buttons provide convenient control over volume, track skipping, and call management.

Figure 5: Bluetooth 5.3 technology ensures stable and efficient wireless connection.
Forlænget batterilevetid
The integrated 400mAh battery provides up to 22 hours of uninterrupted listening with Active Noise Cancellation enabled. A full charge requires approximately 3 hours using the included USB-C charging cable.

Figure 6: Enjoy long listening sessions with the extended battery life and quick charging capability.
Comfortable and Compact Design
Ergonomic over-ear cups and an adjustable headband ensure a snug and comfortable fit, even during prolonged listening periods. The bi-folding design allows the headphones to be compactly stored in the included carrying case, making them highly portable.

Figure 7: Studio-grade earpads provide comfort for all-day wear.
Deep Bass Technology
Experience vibrant soundscapes with deep bass, clear vocals, and balanced stereo sound that brings your favorite music to life.

Figure 8: Deep Bass Technology enhances your audio experience.
Opsætning
1. Opladning af hovedtelefonerne
Before first use, fully charge your SENTRY OSH headphones. Connect the included USB-C charging cable to the charging port on the headphones and the other end to a compatible USB power source (e.g., computer USB port, wall adapter). The charging indicator light will show the charging status. A full charge takes approximately 3 hours.
2. Tænd/sluk
To power on the headphones, press and hold the Power button (located on the right earcup) for a few seconds until you hear an audible prompt or see the indicator light illuminate. To power off, press and hold the Power button again until the headphones shut down.
3. Bluetooth-parring
- Sørg for, at hovedtelefonerne er slukket.
- Tryk på tænd/sluk-knappen, og hold den nede, indtil indikatorlampen blinker hurtigt, hvilket angiver parringstilstand.
- Gå til Bluetooth-indstillingerne på din enhed (smartphone, tablet, bærbar computer).
- Søg efter available devices and select "SENTRY OSH" from the list.
- Once connected, the indicator light on the headphones will change, and you will hear a confirmation sound.
Hovedtelefonerne genopretter automatisk forbindelse til den sidst parrede enhed, når de tændes, hvis enhedens Bluetooth er aktiv og inden for rækkevidde.

Figure 9: Easy pairing technology ensures quick and hassle-free connection to your devices.
Betjeningsvejledning
Lydafspilningskontroller
- Afspil/pause: Tryk én gang på multifunktionsknappen (ofte tænd/sluk-knappen eller en dedikeret afspil/pause-knap).
- Næste nummer: Tryk og hold på lydstyrke op-knappen.
- Forrige nummer: Tryk og hold lydstyrke ned-knappen.
- Lydstyrke op: Tryk kort på lydstyrke op-knappen.
- Skrue ned for lyden: Tryk kort på lydstyrke ned-knappen.
Opkaldsstyring
- Besvar/afslut opkald: Tryk én gang på multifunktionsknappen.
- Afvis opkald: Tryk og hold multifunktionsknappen nede i 2 sekunder.
- Genopkald sidste nummer: Tryk to gange på multifunktionsknappen.
Aktiv støjreduktion (ANC) kontrol
To activate or deactivate the Active Noise Cancellation feature, locate the dedicated ANC button (often on one of the earcups, as indicated in the video description). Press this button to toggle ANC on or off. You may hear a slight change in ambient sound when toggling this feature.
Opretholdelse
- Rensning: Brug en blød, tør klud til at rengøre hovedtelefonerne. Brug ikke slibende rengøringsmidler eller opløsningsmidler.
- Opbevaring: When not in use, store the headphones in their protective carrying case to prevent damage. Avoid exposing them to extreme temperatures or humidity.
- Batteripleje: For at forlænge batterilevetiden bør du undgå at aflade hovedtelefonerne helt ofte. Oplad dem regelmæssigt, selvom de ikke er i konstant brug.
- Vandtæthed: The headphones are water resistant. However, avoid submerging them in water or exposing them to heavy rain.
Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Hovedtelefonerne tændes ikke. | Lavt batteri. | Oplad hovedtelefonerne helt med det medfølgende USB-C-kabel. |
| Kan ikke parres med enheden. | Hovedtelefoner er ikke i parringstilstand; enhedens Bluetooth er slået fra; for langt fra enheden. | Ensure headphones are in pairing mode (flashing indicator light). Turn on Bluetooth on your device. Move headphones closer to the device (within 30 feet). Forget previous pairings on your device and try again. |
| Ingen lyd eller lav lydstyrke. | Lydstyrken er for lav; hovedtelefoner er ikke tilsluttet; forkert lydudgang er valgt på enheden. | Increase volume on both headphones and connected device. Reconnect headphones. Check device's audio output settings. |
| ANC buzzing sound. | Interference or a specific frequency interaction. | Try toggling the ANC feature off and on. If the issue persists, contact customer support. |
| Headphones feel loose or uncomfortable. | Hovedbøjlen er ikke justeret korrekt. | Adjust the headband to ensure a snug and comfortable fit over your ears. |
Specifikationer
| Feature | Detalje |
|---|---|
| Modelnavn | OVHDBKZ |
| Støjkontrol | Active Noise Cancellation (-20dB Reduction) |
| Forbindelsesteknologi | Wireless, Bluetooth V5.3 |
| Bluetooth rækkevidde | Op til 30 fod |
| Batterilevetid | Up to 22 Hours (with ANC) |
| Opladningstid | 3 timer |
| Hovedtelefonstik | 3.5 mm Jack, USB C Charging |
| Frekvensrespons | 20 Hz - 20,000 Hz |
| Følsomhed | 100 dB |
| Impedans | 40 Ohm |
| Audio driver størrelse | 40 millimeter |
| Kontroltype | Touch Control, Button |
| Øreplacering | On Ear (Form Factor: Over Ear) |
| Materiale | Plastic (Headphones), Fabric (Carrying Case) |
| Vandmodstandsniveau | Vandtæt |
| Varens vægt | 1.38 pund |
| UPC | 080068071303 |
Garanti & Support
90 dages garanti
Sentry Industries offers an extensive 90-day warranty on all products. This guarantee provides free replacement for defective or damaged products within 90 days of purchase.
Kundesupport
Sentry Industries is an American company with over 60 years in business. For assistance or inquiries, a customer support line is operated out of our New York office to ensure you receive the help you need.
For more information, visit the official SENTRY store: SENTRY-butik på Amazon