1. Introduction
The Sanag B22s are innovative open-ear bone conduction earphones designed for comfort and safety during various activities, including running and swimming. Featuring Bluetooth 5.3 connectivity, IPX5 waterproofing, and a long 16-hour playtime, these headphones allow you to enjoy audio while remaining aware of your surroundings.
Figure 1: Sanag B22s Bone Conduction Earphone highlighting key features.
2. Key Features
- Open Ear Design: Comfortable fit without blocking your ears, allowing you to perceive external sounds for a safer experience.
- Patented Bluetooth Flash Link 6.0: Ensures low power consumption, low latency (60ms), and high transfer speed for smooth audio and gaming.
- IPX5 Waterproof: Professional waterproof coating and hydrophobic structure protect against daily rain, sweat, and splashes.
- 16 Hours Long Battery Life: Enjoy extended listening with up to 16 hours of single battery life and 7 days of standby time.
- 17mm Patented Guide Oscillator: Delivers super bass and reduces music distortion with Freq Extreme high-frequency oscillator enhancement technology.
- Ergonomic Design: Weighs only 20g with memory titanium wire for a comfortable, light, and stable fit that stays secure during sports.
- Anti-leakage System: Fully enclosed design prevents sound leakage, ensuring privacy.
- Dynamic Spatial Soundstage: ACA acoustic cavity combined with a diversion oscillator creates a realistic on-site listening experience.
- Dual-Microphone Anti-Wind Noise: Accurately picks up voice and filters out noise interference for clear calls, even in windy conditions.
Figure 2: Visual summary of the earphone's six core advantages.
3. Package Contents
Please check the package for the following items:
- Sanag B22s Bone Conduction Earphones
- USB Type-C Charging Cable
- User Manual
4. Setup and Pairing
4.1 Charging the Earphones
- Connect the provided USB Type-C charging cable to the charging port on the earphones.
- Connect the other end of the cable to a USB power adapter (not included) or a computer's USB port.
- The indicator light will show charging status. A full charge typically takes approximately 1.5-2 hours.
4.2 Bluetooth Pairing
- Ensure the earphones are sufficiently charged.
- Power on the earphones. They will automatically enter pairing mode, indicated by a flashing LED light (refer to LED indicator section in full manual if available).
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for available Bluetooth devices and select "Sanag B22s" from the list.
- Once connected, the LED indicator will change (e.g., solid blue) and you will hear an audible confirmation.
5. Operating Instructions
The Sanag B22s earphones feature mechanical buttons for easy control. Refer to the diagram below for button locations and functions.
Figure 3: Mechanical button layout and controls.
| Action | Function |
|---|---|
| Double-click '+' key | Play/Pause music |
| Click '+' or '-' key | Volume up or down |
| Hold up and down buttons | Track change (specific function may vary) |
| Click multi-function key (during incoming call) | Answer the call |
| Click multi-function key (during a call) | Hang up the call |
| Press and hold '-' button for 2s (during incoming call) | Reject an incoming call |
6. Maintenance and Care
- Cleaning: The earphones are IPX5 waterproof, meaning they can be rinsed with water to clean off sweat or dirt. Do not submerge them for extended periods or expose them to high-pressure water jets.
- Storage: Store the earphones in a cool, dry place away from direct sunlight and extreme temperatures.
- Charging: Use only the provided Type-C cable for charging. Avoid using damaged cables or chargers.
- Avoid Impact: Do not drop or subject the earphones to strong impacts, as this may damage internal components.
Figure 4: Earphones in water, showcasing IPX5 waterproof capability.
7. Troubleshooting
- No Power: Ensure the earphones are fully charged. Connect to a power source and check the charging indicator.
- Cannot Pair: Make sure Bluetooth is enabled on your device and the earphones are in pairing mode. Try turning both devices off and on again. Ensure the earphones are not already connected to another device.
- No Sound/Low Volume: Check the volume levels on both the earphones and your connected device. Ensure the earphones are positioned correctly on your cheekbones.
- Poor Call Quality: Ensure the microphone is not obstructed. Move closer to your connected device to improve signal strength. The dual-microphone anti-wind noise feature helps, but extreme conditions may still affect clarity.
- Intermittent Connection: Move closer to your connected device. Avoid environments with strong electromagnetic interference.
8. Specifications
| Feature | Detail |
|---|---|
| Model | Sanag B22s |
| Bluetooth Version | V5.3 |
| Connection Range | ≥10m |
| Audio Encoding | SBC, AAC |
| Bluetooth Features | A2DP, HFP, HSP, AVRCP |
| Voltage Range | 3.3-4.2V |
| Battery Life | 16 Hours |
| Battery Capacity | 140mAh |
| Charging Interface | Thimble/Type-C |
| Material | Plastic |
| Weight | 20g |
| Waterproof Rating | IPX5 |
| Microphone | Yes |
| Control Button | Yes |
| Volume Control | Yes |
| Vocalism Principle | Bone Conduction |
| Wireless Type | Bluetooth |
| Support APP | Yes |
| NFC Technology | No |
| Active Noise-Cancellation | No |
9. User Tips
- Situational Awareness: The open-ear design is excellent for outdoor activities like running or cycling, as it allows you to hear traffic and other important environmental sounds, enhancing safety.
- Call Functionality: Yes, you can talk through these earphones. They are equipped with a microphone for making and receiving calls.
- Comfort for Extended Wear: The lightweight (20g) and ergonomic design with memory titanium wire ensures comfort even during long periods of use.
- Water Resistance: While IPX5 rated for splashes and sweat, avoid prolonged submersion or using them in heavy rain to ensure longevity.
10. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the documentation provided with your purchase or contact the seller directly. Keep your proof of purchase for any warranty claims.