Introdução
Welcome to the instruction manual for your Sanag B21S True Bone Conduction Headphones. These open-ear headphones are designed to provide a unique audio experience while maintaining situational awareness, making them ideal for sports and outdoor activities. Featuring Bluetooth 5.4 connectivity, IPX5 waterproofing, and a lightweight, comfortable design, the B21S offers reliable performance and clear sound transmission through bone vibration.

Image: Sanag B21S Bone Conduction Sports Headphones, highlighting their ultra-lightweight design for comfortable all-day use.
O que está na caixa
Ao abrir a caixa, verifique se todos os itens estão presentes:
- Sanag B21S True Bone Conduction Headphones
- Cabo de carregamento tipo C
- Manual do usuário
Produto acimaview
The Sanag B21S headphones utilize true bone conduction technology, transmitting sound through vibrations directly to your inner ear via your cheekbones. This innovative design ensures your ears remain open to ambient sounds, enhancing safety during outdoor activities.
Principais características:
- True Bone Conduction: 360° no-hole design for pleasant sound through high-frequency, low-density vibration, minimizing sound leakage.
- Design de orelha aberta: Allows clear perception of ambient sounds for increased awareness and safety.
- Enhanced Surround Sound: High-frequency oscillator enhancement technology for rich bass detail and optimized stereo surround sound.
- Bluetooth 5.4: Upgraded chip for stable wireless connection, wider signal coverage, and lower power consumption.
- 10H Long Battery Life: Enjoy up to 10 hours of music on a 1.2-hour charge, with 168 hours of standby time.
- IPX5 Impermeável: Effectively protects against sweat, daily splashes, and light rain.
- Lightweight, Comfortable & Stable: Made with titanium alloy memory back hangers and a triangular earwing wrap-around design for a secure and comfortable fit.

Image: Close-up of Sanag B21S headphones highlighting the titanium alloy memory rear hanging and triangular stable structure for a safe and secure fit.
Configurar
Instruções de uso:
- Place the earphones on your ear bones, ensuring the transducers rest comfortably on your cheekbones just in front of your ears.
- Adjust the earphones to a secure and comfortable position. The flexible titanium alloy band should rest gently around the back of your head.

Image: Visual guide demonstrating the two-step process for correctly wearing the Sanag B21S headphones.
Emparelhamento inicial:
To pair your Sanag B21S headphones with a new device:
- Certifique-se de que os fones de ouvido estejam carregados e desligados.
- Press and hold the power button (often combined with volume up) until the indicator light flashes, indicating pairing mode.
- No seu dispositivo (smartphone, tablet, etc.), ative o Bluetooth e procure por dispositivos disponíveis.
- Select "sanag B21S" from the list to connect. A voice prompt will confirm successful pairing.
Video: An official seller video demonstrating the unboxing and initial Bluetooth pairing process for the Sanag B21S headphones.
Instruções de operação
The Sanag B21S headphones feature intuitive button controls for easy management of your audio and calls.
Funções dos botões:
- Ligar/desligar: Pressione e segure o botão liga/desliga por alguns segundos.
- Reproduzir/Pausar: Single press the multi-function button (often the power button).
- Aumentar/diminuir volume: Utilize os botões de volume dedicados (+/-).
- Próxima faixa: Pressione e mantenha pressionado o botão de aumentar o volume.
- Faixa anterior: Pressione e segure o botão Diminuir volume.
- Atender/encerrar chamada: Basta pressionar o botão multifuncional uma única vez.
- Rejeitar chamada: Pressione e mantenha pressionado o botão multifuncional.
- Ative o Voice Assistant: Pressione duas vezes o botão multifuncional.

Imagem: Detalhada view of the control buttons and charging port on the Sanag B21S headphones for easy operation.
Conectividade
The Sanag B21S headphones feature advanced Bluetooth 5.4 technology, ensuring a stable and efficient wireless connection.
- Versão Bluetooth: 5.4 for enhanced stability and lower power consumption.
- Faixa Bluetooth: Up to 10 meters (33 feet) for flexible movement.
- Dispositivos compatíveis: Cellphones, desktops, tablets, and other Bluetooth-enabled audio devices.

Image: Graphic illustrating the advanced Bluetooth 5.4 technology integrated into the Sanag B21S headphones.
Experiência de áudio
Experience clear audio with enhanced bass, delivered directly through your cheekbones, leaving your ears open to the environment.
- Bone Conduction: Sound is transmitted via vibrations, bypassing the eardrum and allowing for open-ear listening.
- HiFi Bass: High-frequency oscillator enhancement technology provides rich bass detail.
- Consciência Situacional: The open-ear design ensures you can hear your surroundings, crucial for safety during activities like running or cycling.

Imagem: Uma explosão view of the Sanag B21S transducer, illustrating the lossless bass technology.
Video: An official seller video providing a detailed overview of the Sanag B21S True Bone Conduction Headphones, including design and features.
Duração da bateria e carregamento
The Sanag B21S headphones are equipped with a long-lasting battery to support your active lifestyle.
- Duração da bateria: Até 10 horas de reprodução contínua de música.
- Tempo de espera: Até 168 horas.
- Tempo de carregamento: Aproximadamente 1.2 horas para uma carga completa.
- Porta de carregamento: USB Tipo C.

Image: Graphic displaying the battery performance of the Sanag B21S headphones, including playtime, standby, and charging duration.
Resistência à água
The Sanag B21S headphones are built to withstand your workouts and outdoor adventures.
- Classificação IPX5: Provides protection against low-pressure water jets from any direction, making them resistant to sweat, daily splashes, and light rain.
- Observação: IPX5 rating means the headphones are not suitable for swimming or submersion in water.

Image: Sanag B21S headphones shown in water, emphasizing their waterproof and sweatproof capabilities.
Conforto e ajuste
Designed for extended wear and active use, the B21S headphones prioritize comfort and stability.
- Leve: Weighing only 22 grams (0.776 ounces), they offer a barely-there feel.
- Design flexível: Made with titanium alloy memory back hangers, they adapt to different head shapes.
- Ajuste seguro: The triangular earwing wrap-around design ensures they stay in place during intense activities.

Image: A user wearing Sanag B21S headphones during a workout, demonstrating the cushioned comfort technology and secure fit.
Especificações
| Recurso | Detalhe |
|---|---|
| Nome do modelo | sanag B21S |
| Tecnologia de Conectividade | Wireless (Bluetooth) |
| Versão Bluetooth | 5.4 |
| Alcance Bluetooth | 10 metros |
| Tipo de driver de áudio | Driver de condução óssea |
| Tamanho do driver de áudio | 13 milímetros |
| Duração da bateria | 10 horas |
| Tempo de carregamento | 1.2 horas |
| Nível de resistência à água | IPX5 à prova d'água |
| Peso do item | 22 gramas (0.776 onças) |
| Material | Acrilonitrila butadieno estireno (ABS), policarbonato (PC) |
| Tipo de controle | Controle de botão |
| Colocação da orelha | Ouvido aberto |
| Fator de forma | Ouvido aberto |
Manutenção
To ensure the longevity and optimal performance of your Sanag B21S headphones, follow these maintenance guidelines:
- Limpeza: Limpe os fones de ouvido com um pano macio eamp cloth after each use, especially after workouts, to remove sweat and dirt. Do not use harsh chemicals or abrasive materials.
- Secagem: If the headphones get wet, ensure they are completely dry before charging or storing them. Pay special attention to the USB-C charging port, ensuring its protective flap is securely closed when not charging.
- Armazenar: Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures. Avoid bending or twisting the flexible band excessively to prevent damage.
- Carregamento: Use the provided Type-C cable for charging. Avoid using damaged cables or chargers.
Solução de problemas
If you encounter any issues with your Sanag B21S headphones, try the following solutions:
- Sem energia: Ensure the headphones are fully charged. Connect them to a power source using the Type-C cable.
- Não foi possível emparelhar: Make sure the headphones are in pairing mode (indicator light flashing). Turn off and on your device's Bluetooth, then try searching again. Ensure the headphones are not already connected to another device.
- Sem som: Check the volume levels on both the headphones and your connected device. Ensure the headphones are properly placed on your cheekbones.
- Má qualidade de som: Ensure the headphones are securely positioned. Move closer to your connected device to rule out range issues.
- Problemas de chamada: Ensure the headphones are selected as the audio output for calls on your device. Check for background noise that might affect microphone clarity.
If the issue persists, refer to the official Sanag support channels for further assistance.
Garantia e Suporte
Sanag products are designed with quality and customer satisfaction in mind. For warranty information, product support, or to explore other Sanag products, please visit the official Sanag Store.
Guarde o comprovante de compra para eventuais solicitações de garantia.





