1. Introduction
This manual provides detailed instructions for the Jabra Engage 45 SE Wireless Convertible Headphone. It covers essential information regarding product setup, operation, maintenance, and troubleshooting to ensure optimal performance and user experience. The Engage 45 SE is designed for clear, hands-free deskphone communication, offering comfort and advanced features for busy work environments.
Key features include an optimized microphone for clear calls, an impressive wireless range of up to 150 meters, and a lightweight design for extended comfort. It also incorporates DECT Security certification with FIPS 256-bit encryption for secure communication and offers up to 9 hours of talk time.

Figure 1: Jabra Engage 45 SE Headset and Base Unit.
2. What's in the Box
Verify that all components are present in the packaging:
- Headset
- Phone adapter cable
- Charging Station (Base)
- Power Supply
- User Manual (this document)

Figure 2: Included components of the Jabra Engage 45 SE.
3. Setup
3.1 Connecting the Base Unit
- Connect the power supply to the base unit and plug it into a power outlet.
- Connect the phone adapter cable from the base unit to your desk phone's headset port. Refer to your desk phone's manual for specific port locations.
3.2 Charging the Headset
Place the headset into the charging cradle on the base unit. The headset will begin charging automatically. A full charge takes approximately 90 minutes.
3.3 Wearing the Headset
The Jabra Engage 45 SE is a convertible headset, offering multiple wearing styles for personalized comfort. It can be worn with an ear hook or a headband.
- Ear Hook: Attach the ear hook to the headset and position it comfortably over your ear.
- Headband: Attach the headband to the headset and adjust it to fit securely over your head.

Figure 3: Example of wearing the Jabra Engage 45 SE headset.
4. Operating the Headset
4.1 Basic Call Functions
- Answer/End Call: Press the Call button on the headset.
- Adjust Volume: Use the Volume Up (+) or Volume Down (-) buttons on the headset.
- Mute Microphone: Press the Mute button on the headset.

Figure 4: Key features and controls of the Jabra Engage 45 SE headset.
4.2 Wireless Range and Mobility
The Engage 45 SE offers a wireless range of up to 150 meters (330 feet) from the base unit, allowing you to move freely during calls without losing connection.

Figure 5: Enjoying mobility with the Jabra Engage 45 SE's wireless range.
4.3 Battery Life
The headset provides up to 9 hours of talk time on a single charge, ensuring long-lasting performance throughout your workday.

Figure 6: Extended call time with the Jabra Engage 45 SE.
4.4 Call Security
The Jabra Engage 45 SE ensures private and secure communications with DECT Security certification and FIPS military-grade 256-bit encryption.

Figure 7: Secure communication with DECT Security.
5. Maintenance
5.1 Cleaning the Headset and Base
- Wipe the headset and base unit with a soft, dry cloth.
- Avoid using harsh chemicals, cleaning solvents, or strong detergents.
- Ensure no moisture enters the openings of the headset or base.
5.2 Battery Care
- Store the headset in a cool, dry place when not in use.
- Avoid exposing the battery to extreme temperatures.
- For optimal battery longevity, avoid fully discharging the battery frequently.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No audio in headset | Headset not powered on or not connected to base. Volume too low. | Ensure headset is charged and docked correctly. Increase headset volume. Check base unit connection to phone. |
| Cannot make/receive calls | Base unit not properly connected to desk phone. | Verify all cables are securely connected between the base and the desk phone. Consult desk phone manual for headset compatibility. |
| Poor sound quality | Out of range. Interference. Microphone not positioned correctly. | Move closer to the base unit. Ensure no large metal objects are between headset and base. Adjust microphone boom to be close to your mouth. |
| Short battery life | Headset not fully charged. Battery degradation over time. | Ensure headset is fully charged before use. If battery life significantly decreases, contact support for potential replacement options. |
7. Specifications
| Feature | Detail |
|---|---|
| Model Name | Engage 45 SE |
| Connectivity Technology | DECT Wireless |
| Wireless Range | Up to 150 meters (330 feet) |
| Battery Life (Talk Time) | Up to 9 hours |
| Charging Time | Approximately 90 minutes |
| Microphone | Noise-Canceling |
| Security | DECT Security certified, FIPS 256-bit encryption |
| Wearing Style | Convertible (Ear Hook, Headband) |
| Item Weight | 252 Grams (8.9 ounces) |
| Product Dimensions | 4.13 x 1.26 x 1.97 inches |
| Compatible Devices | Universal (Desk Phones) |
| Material | Polycarbonate (PC), Silicone |
| UPC | 706487026051 |
| Item Model Number | 9655-523-125 |
8. Warranty and Support
Jabra products are covered by a limited warranty. For specific warranty terms and conditions, please refer to the warranty information provided with your purchase or visit the official Jabra website.
For technical assistance, product support, or to access additional resources, please visit the Jabra support page: