1. Introduction
The Xiaomi P9 Wireless Bluetooth Headset offers a premium audio experience with advanced features designed for sports, gaming, and everyday use. Enjoy seamless wireless connectivity, high-fidelity sound, and active noise cancellation for an immersive listening experience. Its ergonomic design ensures comfort during extended wear, and the robust battery provides long hours of playback.
Key features include Bluetooth 5.3 for stable, low-latency connections, HD voice calls, surround sound capabilities, and water/sweat resistance. The headset also supports direct audio playback from a TF/SD card.

2. Package Contents
Please check the box for the following items:
- Xiaomi P9 Wireless Bluetooth Headset
- User Manual
- Charging Cable (Type-C)
3. Specifications
| Feature | Detail |
|---|---|
| Brand Name | MIJIA |
| Material | PVC, ABS |
| Weight | 100g |
| Battery Capacity | 150mAh |
| Battery Life | Up to 8 hours |
| Maximum Wireless Range | 10m-20m |
| Bluetooth Version | 5.3 |
| Charging Method | Cable (Type-C) |
| Driver Diameter | 40MM |
| Impedance Range | Up to 32 Ω |
| Resistance | 32 Ω |
| Total Harmonic Distortion | 1% |
| Vocalism Principle | Balanced Armature |
| Communication | True Wireless (Bluetooth) |
| Features | Waterproof, With Microphone, Active Noise-Cancellation, Volume Control, Support APP, Support Memory Card |
| Sound Isolating | Yes |
| Voice Assistant Built-in | No |
| NFC Technology | No |
| Certification | CE |
4. Product Overview
Familiarize yourself with the buttons and ports on your Xiaomi P9 headset for optimal use.

Button Functions:
- Volume Up (+):
- Click: Increase Volume
- Long press: Next Song
- Volume Down (-):
- Click: Decrease Volume
- Long press: Previous Song
- Multi-function Button (On/Off):
- Long press (3 seconds): Power On/Off
- Click: Play/Pause music
- Click: Answer/Hang up calls
- Mode Switch Button (Bluetooth/Radio):
- Click: Switch between Bluetooth mode and Radio mode (if available)
5. Setup
5.1 Charging the Headset
- Connect the provided Type-C charging cable to the charging port on the headset.
- Connect the other end of the cable to a USB power source (e.g., computer, wall adapter).
- The indicator light will show charging status (refer to LED indicator section if available, otherwise assume standard red for charging, blue/off for full).
- A full charge provides up to 8 hours of battery life.
5.2 Power On/Off
- To Power On: Long press the Multi-function button for approximately 3 seconds until you hear a power-on prompt or see the indicator light.
- To Power Off: Long press the Multi-function button for approximately 3 seconds until you hear a power-off prompt or see the indicator light turn off.
5.3 Bluetooth Pairing
- Ensure the headset is powered off.
- Long press the Multi-function button for 3-5 seconds until the indicator light flashes rapidly (usually blue/red alternating), indicating pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth.
- Search for available Bluetooth devices and select "P9" from the list.
- Once connected, the indicator light will typically turn solid blue or flash slowly.
5.4 TF/SD Card Playback
- Insert a TF/SD card with your desired audio files into the designated slot on the headset.
- The headset will automatically switch to card playback mode or you may need to press the Mode Switch button.
6. Operating Instructions
6.1 Music Playback
- Play/Pause: Click the Multi-function button.
- Next Song: Long press the Volume Up (+) button.
- Previous Song: Long press the Volume Down (-) button.
6.2 Call Management
- Answer/End Call: Click the Multi-function button.
- Reject Call: Long press the Multi-function button (duration may vary, typically 2 seconds).
6.3 Volume Control
- Increase Volume: Click the Volume Up (+) button.
- Decrease Volume: Click the Volume Down (-) button.
6.4 Mode Switching
- Switch Mode: Click the Mode Switch (Bluetooth/Radio) button to cycle between Bluetooth and TF/SD card playback modes.
6.5 Active Noise Cancellation (ANC)
The Xiaomi P9 headset features Active Noise Cancellation to reduce ambient noise. Specific controls for activating/deactivating ANC are not detailed in the provided information, but it is an integrated feature.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the headset. Do not use abrasive cleaners or solvents.
- Storage: When not in use, store the headset in a cool, dry place, away from direct sunlight and extreme temperatures.
- Water Resistance: The headset is water and sweat resistant. However, avoid submerging it in water or exposing it to heavy rain. Dry thoroughly if it gets wet.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the headset regularly, even if not in constant use.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headset does not power on | Low battery | Charge the headset fully using the provided Type-C cable. |
| Cannot pair with device | Headset not in pairing mode; Bluetooth off on device; device too far | Ensure headset is in pairing mode (flashing indicator). Turn on Bluetooth on your device. Move device closer to headset (within 10-20m). |
| No sound or distorted sound | Volume too low; poor connection; interference | Increase volume on both headset and device. Re-pair the headset. Move away from sources of interference (e.g., Wi-Fi routers, other Bluetooth devices). |
| Microphone not working | Microphone muted on device; poor connection | Check device settings to ensure microphone is enabled and not muted. Re-establish Bluetooth connection. |
9. User Tips
- iPhone Compatibility: The Xiaomi P9 headset uses standard Bluetooth connectivity and is compatible with iPhones and other Bluetooth-enabled devices.
- Active Noise Cancellation: The headset features Active Noise Cancellation (ANC) to help reduce ambient noise, providing a more focused listening experience.
- Comfort: Adjust the headband and earcups for a snug yet comfortable fit to maximize sound quality and noise isolation.
10. Warranty and Support
For any issues or inquiries regarding your Xiaomi P9 Wireless Bluetooth Headset, please contact the seller or refer to your purchase documentation for warranty details. Keep your proof of purchase for any warranty claims.
Video: Xiaomi P9 Headset Unboxing and Demonstration.