1. Introdução
This manual provides essential instructions for the proper setup, operation, and maintenance of your SENTRY BLWHC102 Wired Overhead Headphones and Earbuds 2-Pack. Please read this manual thoroughly before using the product to ensure optimal performance and longevity. This package includes one pair of overhead headphones and one pair of in-ear earbuds, both featuring a 3.5mm stereo plug for universal compatibility with various audio devices.
2. Conteúdo da embalagem
Upon opening your SENTRY BLWHC102 2-Pack, verify that all items listed below are present and in good condition.

Image 2.1: SENTRY BLWHC102 2-Pack Retail Packaging. The packaging displays both the overhead headphones and the in-ear earbuds, along with key features like in-line microphones and 3.5mm stereo plugs.
- 1 x SENTRY Overhead Headphones (Wired)
- 1 x SENTRY In-Ear Earbuds (Wired)
- 1 x Manual do Usuário (este documento)
3. Produto acabadoview
The SENTRY BLWHC102 package provides two distinct audio solutions: comfortable overhead headphones and discreet in-ear earbuds, both designed for clear audio and communication.

Image 3.1: SENTRY BLWHC102 Overhead Headphones and Earbuds. This image displays both audio devices included in the 2-pack, highlighting their 3.5mm audio jack and in-line microphone.
3.1 Overhead Headphones

Image 3.2: SENTRY BLWHC102 Overhead Headphones. This image shows the full overhead headphone unit with its adjustable headband and cushioned earcups.
- Faixa de cabeça ajustável: Para um ajuste confortável e seguro.
- Cushioned Earcups: Designed for extended listening comfort.
- Conector de áudio de 3.5 mm: Conector padrão para dispositivos de áudio.
- In-line Microphone: Para comunicação sem usar as mãos.
3.2 In-Ear Earbuds

Image 3.3: SENTRY BLWHC102 In-Ear Earbuds. This image focuses on the in-ear earbuds, showing their design and the in-line microphone with a single button control.
- Design ergonômico: For a comfortable fit within the ear canal.
- Conector de áudio de 3.5 mm: Conector padrão para dispositivos de áudio.
- In-line Microphone with Control Button: For hands-free calls and media playback control.
4. Configuração e conexão
Both the overhead headphones and the earbuds utilize a standard 3.5mm audio jack for connection.
4.1 Conectando a um dispositivo de áudio
- Identify the 3.5mm audio port on your device (e.g., smartphone, tablet, laptop, MP3 player). This port is typically marked with a headphone icon.
- Insert the 3.5mm audio jack of either the SENTRY Overhead Headphones or the SENTRY Earbuds firmly into the audio port of your device.
- Ensure the connection is secure. If the audio is not immediately recognized, try rotating the jack slightly or re-inserting it.
- Adjust the volume on your audio device to a comfortable listening level.
5. Instruções de operação
5.1 Using the Overhead Headphones
- Vestindo: Place the headphones over your head, ensuring the earcups fully cover your ears. Adjust the headband for a snug yet comfortable fit.
- Reprodução de áudio: Once connected, audio from your device will play through the headphones. Control playback (play/pause, skip tracks) and volume directly from your connected device.
- Microfone: The in-line microphone is automatically active when connected to a compatible device for calls or voice commands.
5.2 Using the In-Ear Earbuds
- Vestindo: Gently insert the earbuds into your ear canals. Ensure a comfortable and secure fit for optimal sound quality and noise isolation.
- Reprodução de áudio: Audio from your device will play through the earbuds. Control playback and volume directly from your connected device.
- In-line Control Button: The earbuds feature a single multi-function button on the in-line microphone.
- Pressione uma vez: Reproduzir/Pausar música, Atender/Encerrar chamada.
- Pressione duas vezes: Skip to next track (for music playback).
- Pressione três vezes: Go to previous track (for music playback).
- Microfone: The in-line microphone is active for calls and voice commands when connected to a compatible device.
6. Cuidados e Manutenção
Proper care will extend the life of your SENTRY audio devices.
- Limpeza: Use a soft, dry cloth to clean the exterior surfaces of both the headphones and earbuds. Do not use liquid cleaners or solvents.
- Dicas para fones de ouvido: For hygiene, regularly clean the earbud tips with a dry cotton swab.
- Armazenar: When not in use, store the headphones and earbuds in a clean, dry place, away from extreme temperatures and direct sunlight. Avoid tangling the cables.
- Evite umidade: Do not expose the devices to water or excessive moisture. They are not waterproof.
- Cuidados com os cabos: Avoid sharp bends or excessive pulling on the cables, as this can damage internal wiring.
7. Solução De Problemas
Caso encontre algum problema, consulte as seguintes soluções comuns:
| Problema | Solução possível |
|---|---|
| No sound from headphones/earbuds. |
|
| O som está distorcido ou intermitente. |
|
| O microfone não está funcionando. |
|
| In-line control button not responding (earbuds). |
|
8. Especificações técnicas
Below are the general specifications for the SENTRY BLWHC102 audio devices.
| Recurso | Detalhe |
|---|---|
| Modelo | BLWHC102 |
| Marca | SENTINELA |
| Conectividade | Wired (3.5mm Stereo Plug) |
| Microfone | Microfone em linha |
| Cor | Preto/Azul |
| Material | Faux Leather (Headphones) |
| Peso do item | 6.4 onças (pacote completo) |
| Dimensões da embalagem | 8 x 6.5 x 2.5 polegadas |
| UPC | 080068431022 |
9. Garantia e Suporte
SENTRY products are manufactured with quality and reliability in mind. For specific warranty information, please refer to the documentation included with your purchase or visit the official SENTRY website. If you require technical assistance or have questions not covered in this manual, please contact SENTRY customer support through their official channels.
Guarde este manual para referência futura.





