Introduction
The Plantronics M25 Bluetooth headset is designed for convenient wireless communication and audio playback. It features an extended battery life with DeepSleep mode, ensuring readiness when needed. The headset provides whispered alerts for battery status and connection information, and allows for listening to music, internet radio, or navigation directions while managing calls.
Package Contents
Verify that all items are present in your package:
- Plantronics M25 Bluetooth Headset
- AC Charger (100-240v)
- Clip-on Earloop
Setup
1. Charging the Headset
Before first use, fully charge the headset. Connect the AC charger to the headset's charging port. The indicator light will change to show charging status and turn off or change color when fully charged. A full charge can provide up to 5 months of readiness in DeepSleep mode.
2. Pairing with a Device
To pair your Plantronics M25 headset with a Bluetooth-enabled device (e.g., smartphone, tablet):
- Ensure the headset is charged and turned off.
- Press and hold the Call button on the headset until the indicator light flashes red and blue, indicating pairing mode.
- On your device, enable Bluetooth and search for new devices.
- Select "Plantronics M25" from the list of available devices.
- If prompted for a passcode, enter "0000" (four zeros).
- Once paired, the headset's indicator light will stop flashing and a voice prompt will confirm the connection.

Image: The Plantronics M25 Bluetooth Headset, a compact black and silver device with an earloop, shown from an angled perspective. The call button is visible on the side.
Operating Instructions
Power On/Off
- Power On: Press and hold the Power button until the indicator light flashes blue.
- Power Off: Press and hold the Power button until the indicator light flashes red.
Making and Receiving Calls
- Answer Call: Press the Call button.
- End Call: Press the Call button.
- Reject Call: Press and hold the Call button for 2 seconds.
- Redial Last Number: Double-press the Call button.
Audio Playback
The headset supports streaming audio from your device, including music, podcasts, and GPS directions.
- Play/Pause: Press the Call button during audio playback.
DeepSleep Mode
The headset enters DeepSleep power-saving mode if it is disconnected from your phone for over 90 minutes. To wake it up when it's back in range (within 33 feet), simply tap the Call button.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the headset. Do not use liquid cleaners or aerosols.
- Storage: Store the headset in a cool, dry place away from extreme temperatures.
- Battery Care: To preserve battery life, avoid fully discharging the battery frequently. Charge the headset regularly, even if not in use.
- Water Resistance: This device is Not Water Resistant. Avoid exposure to water or excessive moisture.
Troubleshooting
| Problem | Solution |
|---|---|
| Headset does not power on. | Ensure the headset is charged. Connect it to the AC charger and allow it to charge for at least 30 minutes before attempting to power on. |
| Cannot pair the headset with my device. |
|
| No audio or low audio volume. |
|
| Headset frequently disconnects. |
|
Specifications
| Feature | Detail |
|---|---|
| Model Name | Plantronics M25 |
| Connectivity Technology | Bluetooth |
| Wireless Communication Technology | Bluetooth |
| Compatible Devices | Smartphones, Laptops, Desktops, Tablets, Smart Speakers, Televisions |
| Control Type | Call Control |
| Item Weight | 0.3 Ounces (approx. 8.5 grams) |
| Water Resistance Level | Not Water Resistant |
| Frequency Range | 20 Hz to 20,000 Hz |
| Battery Life (DeepSleep) | Up to 150 days |
| Bluetooth Range | Up to 10 Meters (33 feet) |
| Ear Placement | In Ear |
| Form Factor | One Ear |
| Noise Control | Active Noise Cancellation |
| Product Dimensions | 1.85 x 0.59 x 0.35 inches |
| Color | Black |
| Manufacturer | Plantronics |
Warranty and Support
Warranty Information: Please note that this product is sold with No Warranty or Return as per the provided information. Users are advised to verify product condition upon receipt.
For further assistance or inquiries, please refer to the official POLY support channels or visit their website. Contact information may be available on the product packaging or the manufacturer's official website.
Disclaimer: Product specifications and features are subject to change without notice. Always refer to the latest information provided by the manufacturer.





