1. Introduction
The ADESSO Xtream P300 is a wireless single-ear Bluetooth headset designed for clear communication and enhanced productivity. This manual provides detailed instructions for setting up, operating, and maintaining your headset to ensure optimal performance.
The headset features Bluetooth 5.0 for stable connections, a built-in microphone for hands-free calls, and an included charging dock for convenient power management. Its lightweight design and cushioned ear pad are engineered for extended wear.
2. Package Contents
Please verify that all items are present in your package:
- ADESSO Xtream P300 Bluetooth Single Ear Headset
- Charging Dock
- USB Charging Cable
- User Manual (this document)
3. Product Overview
Familiarize yourself with the components of your Xtream P300 headset and charging dock.

Figure 3.1: Front view of the ADESSO Xtream P300 headset resting in its charging dock. The headset features a flexible microphone boom and a single ear cup. The dock has an indicator light and the ADESSO logo.

Figure 3.2: Rear view of the ADESSO Xtream P300 headset in its charging dock, showing the USB-C charging port at the back of the dock and the connection point for the headset.

Figure 3.3: Close-up view of the headset's ear cup, highlighting the volume control buttons and other integrated controls for call management.
4. Setup
4.1 Charging the Headset
Before initial use, fully charge your Xtream P300 headset.
- Connect the USB charging cable to the charging dock and a power source (e.g., computer USB port or USB wall adapter).
- Place the headset onto the charging dock. Ensure the charging contacts align correctly.
- The indicator light on the dock will illuminate to show charging status. A full charge typically takes approximately 2 hours.
- Once fully charged, the headset provides up to 14 hours of talk time and 200 hours of standby time.

Figure 4.1: Illustration showing the ADESSO Xtream P300 headset being charged on its dedicated dock, emphasizing the ease of docking for power replenishment.

Figure 4.2: Graphic indicating the ADESSO Xtream P300 headset offers up to 14 hours of talk time on a single charge, represented by a battery icon.
4.2 Powering On/Off
- To Power On: Press and hold the Multi-function button (usually the main button on the ear cup) for approximately 3 seconds until you hear an audible prompt or see an indicator light.
- To Power Off: Press and hold the Multi-function button for approximately 5 seconds until you hear an audible prompt or the indicator light turns off.
4.3 Bluetooth Pairing
Pair your Xtream P300 headset with your Bluetooth-enabled device (smartphone, laptop, etc.).
- Ensure the headset is powered off.
- Press and hold the Multi-function button for approximately 5-7 seconds until the indicator light flashes red and blue alternately. This indicates pairing mode.
- On your device, enable Bluetooth and search for available devices.
- Select "Xtream P300" from the list of found devices.
- Once paired, the indicator light on the headset will flash blue slowly, and you will hear a confirmation tone.
- The headset supports Bluetooth 5.0 for stable connections up to 33 feet.

Figure 4.3: Graphic illustrating the Bluetooth wireless connectivity feature of the ADESSO Xtream P300 headset, with a Bluetooth logo and signal icon.

Figure 4.4: Graphic demonstrating the multi-platform compatibility of the ADESSO Xtream P300 headset, showing it works with smartphones, notebooks, computers, and Mac OS devices.
5. Operating Instructions
5.1 Call Management
- Answer/End Call: Press the Multi-function button once.
- Reject Call: Press and hold the Multi-function button for approximately 2 seconds.
- Redial Last Number: Double-press the Multi-function button.
5.2 Volume Control
Adjust the listening volume using the dedicated buttons on the headset.
- Volume Up: Press the '+' button.
- Volume Down: Press the '-' button.
5.3 Microphone Mute Function
The headset features a built-in microphone with a mute function for privacy during calls.
- Mute Microphone: Press the Mute button (refer to Figure 3.3 for button location) once during a call.
- Unmute Microphone: Press the Mute button once again.
6. Maintenance
Proper care ensures the longevity of your headset.
- Cleaning: Use a soft, dry cloth to clean the headset and charging dock. Avoid liquid cleaners or abrasive materials.
- Storage: When not in use, store the headset in a cool, dry place, preferably on its charging dock.
- Battery Care: To preserve battery life, avoid fully discharging the headset frequently. Charge it regularly.
- Environmental Conditions: Do not expose the headset to extreme temperatures, humidity, or direct sunlight.
7. Troubleshooting
If you encounter issues with your Xtream P300 headset, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Headset does not power on | Low battery | Charge the headset fully using the charging dock. |
| Cannot pair with device | Headset not in pairing mode; Bluetooth off on device; Device too far | Ensure headset is in pairing mode (flashing red/blue). Turn on Bluetooth on your device. Move headset closer to device (within 33 feet). |
| No audio or poor audio quality | Volume too low; Headset not selected as audio output; Interference | Increase headset volume. Check device's audio settings to ensure Xtream P300 is selected. Move away from other wireless devices. |
| Microphone not working | Microphone muted; Headset not selected as input device | Unmute the microphone. Check device's audio settings to ensure Xtream P300 is selected as the input device. |
8. Specifications
Key technical specifications for the ADESSO Xtream P300 headset:
- Model Name: Xtream P300
- Connectivity Technology: Bluetooth 5.0
- Wireless Range: Up to 33 feet (10 meters)
- Battery: 180mAh Lithium Polymer
- Talk Time: Up to 14 hours
- Standby Time: Up to 200 hours
- Charging Time: Approximately 2 hours
- Item Weight: Approximately 0.11 pounds (headset only)
- Ear Placement: On Ear
- Form Factor: On Ear
- Impedance: 32 Ohm
- Included Components: Charging Station

Figure 8.1: Diagram highlighting the ergonomic features of the ADESSO Xtream P300 headset, including a flexible headband and noise-isolating ear cushions designed for comfortable, extended wear.
9. Warranty and Support
For warranty information or technical support, please refer to the ADESSO official website or contact their customer service department. Keep your purchase receipt for warranty claims.
You can visit the ADESSO store for more product information: ADESSO Store on Amazon




