1. Introduction
Thank you for choosing the Sanag B22s Bone Conduction Earphone. This device utilizes advanced wireless Bluetooth technology, enabling quick pairing with various devices for stable audio transmission. Its lightweight, open-ear design ensures comfortable wear, making it suitable for a wide range of sports and daily activities. The bone conduction technology provides a unique listening experience, allowing you to perceive external sounds for enhanced safety during activities.
2. Key Features
- Bone Conduction Technology: Delivers sound through your cheekbones, leaving your ears open to ambient sounds.
- Extended Playtime: Enjoy up to 16 hours of continuous music playback on a single charge.
- IPX5 Waterproof Rating: Designed to withstand sweat and splashes, making it ideal for workouts and outdoor use.
- Bluetooth 5.3 Connectivity: Ensures stable, fast, and efficient wireless connection with low power consumption.
- Dynamic Spatial Sound Field: The ACA acoustic cavity combined with a diversion oscillator creates an immersive audio experience.
- Patented Flash Link 6.0: Provides ultra-low latency of 60ms, enhancing gaming and video synchronization.
- Lightweight & Comfortable: Weighs only 20g with a memory titanium wire design for a secure and comfortable fit.
- Anti-Leakage System: Fully enclosed design minimizes sound leakage for privacy.
- Wind Noise Protection: Dual-microphone anti-wind noise technology accurately picks up voice and filters out interference for clear calls.

Fully Open True Bone Conduction

Six Core Advantages
3. Specifications

Detailed Product Specifications
| Attribute | Value |
|---|---|
| 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 Port | Thimble/Type-C |
| Material | Plastic |
| Sound Isolating | Yes |
| Number Of Drivers | 2 |
| Charging Method | Cable |
| Impedance Range | up to 32 Ω |
| With Microphone | Yes |
| Is Wireless | Yes |
| Support APP | Yes |
| Waterproof | Yes (IPX5) |
| Volume Control | Yes |
| Control Button | Yes |
| Vocalism Principle | Dynamic |
| Wireless Type | Bluetooth |
| Style | Ear Hook |
4. Setup Instructions
- Charging: Connect the earphone to the USB charging cable and plug it into a computer or a compatible USB adapter to charge. Ensure the earphone is fully charged before first use.
- Power On: Long press the power button for 3 seconds. The indicator light will illuminate, indicating the device is powered on.
- Pairing: Once powered on, the earphone will enter pairing mode. On your device (smartphone, tablet, etc.), go to Bluetooth settings, search for available devices, and select "Sanag B22s" to connect. The indicator light will change or stop flashing once successfully paired.
5. Operating Instructions
The Sanag B22s features intuitive mechanical buttons for easy control:

Mechanical Button Functions
- Play/Pause: Click the multi-function key once to play or pause audio.
- Volume Up/Down: Use the dedicated '+' and '-' buttons to adjust the volume. Alternatively, adjust via your connected mobile phone.
- Next/Previous Track: Press and hold the '+' button for the next track, and the '-' button for the previous track.
- Answer Call: When a call is incoming, click the multi-function key to answer it.
- Hang Up Call: Click the multi-function key during a call to end it.
- Reject Incoming Call: When a call is incoming, press and hold the '-' button for 2 seconds to reject it.
- Power Off: Long press the power button for 3 seconds. The indicator light will turn off.
6. Care and Maintenance
- Storage: Do not use or store the headphones in environments with high temperatures or high humidity.
- Protection: Avoid contact with liquids or sharp objects to prevent damage.
- Cleaning: When cleaning the headphones, gently wipe them with a dry, soft cloth. Do not use harsh chemicals or abrasive materials.
- Battery Longevity: If the earphone is not used for a long period, charge it at least once a month to keep the battery active and prolong its lifespan.
7. Troubleshooting
- Cannot Power On: Ensure the battery is charged. Connect to a charger for at least 30 minutes.
- Cannot Pair: Make sure the earphone is in pairing mode (indicator light flashing). Turn off and on your device's Bluetooth. Move the earphone closer to your device.
- No Sound: Check the volume level on both the earphone and your connected device. Ensure the earphone is correctly paired.
- Poor Sound Quality: Move closer to your connected device to avoid interference. Check for any obstructions between the earphone and the device.
- Charging Issues: Ensure the charging cable and adapter are working correctly. Check the charging port for any debris.
8. User Tips
- iPhone Compatibility: The Sanag B22s earphone is fully compatible with iPhones and other Bluetooth-enabled smartphones.
- Water Resistance Clarification: The IPX5 rating means the earphones are resistant to sweat and splashes, making them suitable for rain or intense workouts. However, they are NOT designed for swimming or submersion in water.
- No Internal Memory: These are Bluetooth earphones and do not have internal storage for music. They stream audio from your connected device.
9. Frequently Asked Questions
- Q: Are the Sanag B22s waterproof enough to take swimming?
- A: No, the IPX5 rating provides resistance against sweat and splashes, but it is not suitable for swimming or full submersion in water.
- Q: Can these earphones work with an iPhone?
- A: Yes, the Sanag B22s uses standard Bluetooth 5.3 and is compatible with all Bluetooth-enabled devices, including iPhones.
- Q: Does the earphone have its own internal memory for music?
- A: No, the Sanag B22s is a Bluetooth earphone and streams audio from your connected device. It does not have built-in storage.
10. Warranty and Support
For detailed warranty information and customer support, please refer to the official product documentation or contact the seller directly. A user manual in PDF format is available for further reference: View User Manual (PDF).






