Product Overview
The EPOS Impact D 10 USB ML II is a wireless DECT mono ear convertible headset designed for direct connection to a PC or softphone. It offers premium audio performance and powerful wireless reach, providing a streamlined solution for professional communication environments, including hotdesking.

Image: EPOS Impact D 10 USB ML II headset on its charging base, highlighting key features such as premium audio, single device connectivity, flexible wearing styles, powerful wireless range, and a tidy desk design.
Key Features
- EPOS Voice™ Technology: Ensures premium audio for clear calls.
- Noise-Cancelling Microphone: Provides natural, clear conversations by reducing background noise.
- Powerful Wireless Reach: Offers up to 55 m (180 ft) in typical office environments and up to 180 m (590 ft) line of sight.
- Long Talk Time: Up to 12 hours of talk time on a single charge.
- Plug-and-Play Connectivity: Direct USB connection to PC/Softphone for immediate use.
- Convertible Wearing Styles: Includes a detachable headband and a bendable ear hook to suit personal preference.
- Magnetic Docking and Charging: Easy and secure docking for charging.
What's in the Box
Upon unboxing your EPOS Impact D 10 USB ML II headset, you should find the following components:
- Headset (with mounted bendable ear hook)
- Base Station / Charging Station
- USB Cable
- Headband (detachable)
- Printed Quick Guide
- Printed Safety Guide

Image: All components included in the EPOS Impact D 10 USB ML II package, including the headset, base station, USB cable, detachable headband, quick guide, and safety guide.
Setup Instructions
- Connect the Base Station: Connect the provided USB cable to the base station and then to an available USB port on your PC or softphone. The base station will power on automatically.
- Charge the Headset: Place the headset onto the magnetic charging interface of the base station. Ensure it is securely docked. The headset will begin charging. A full charge provides up to 12 hours of talk time.
- Choose Your Wearing Style:
- Ear Hook: The bendable ear hook is pre-mounted on the headset for immediate use. Adjust it for a comfortable fit around your ear.
- Headband: To use the headband, detach the ear hook and attach the headset to the provided headband. Adjust the headband for a secure and comfortable fit over your head.
- Initial Pairing (if necessary): The headset and base station are typically pre-paired. If pairing is required, refer to the detailed Quick Guide for specific instructions.
- Software Installation (optional): For advanced features and settings, you may download and install the EPOS Connect software from the official EPOS website.

Image: The EPOS Impact D 10 USB ML II headset securely docked on its charging base, ready for use or charging.
Operating Instructions
Making and Receiving Calls
- Answer/End Call: Press the call control button on the headset to answer an incoming call or end an active call.
- Mute Microphone: Press the mute button on the headset to mute or unmute your microphone during a call.
- Adjust Volume: Use the volume up/down buttons on the headset to adjust the listening volume.

Image: The EPOS Impact D 10 USB ML II headset on its base, illustrating features like one-touch call management, fast charging, and phone conferencing capabilities.
Wireless Range and Mobility
The headset provides significant wireless freedom. You can move up to 55 meters (180 feet) in typical office environments and up to 180 meters (590 feet) in line-of-sight conditions from the base station. This allows for flexibility during calls and while working.
Optimized for Unified Communications (UC)
The EPOS Impact D 10 USB ML II is optimized for Unified Communications, ensuring seamless integration and high-quality audio with various UC platforms and softphones.

Image: A close-up view of the EPOS Impact D 10 USB ML II headset's ear cup, emphasizing its optimization for Unified Communications.
Product Video Overview
Video: An official overview of the EPOS Impact D 10 USB ML II Headset, demonstrating its features and functionality.
Maintenance
- Charging: Always dock the headset on the base station when not in use to ensure it is charged and ready for your next call. The headset features fast charging capabilities.
- Cleaning: Use a soft, dry cloth to clean the headset and base station. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the headset and base station in a cool, dry place away from direct sunlight and extreme temperatures.

Image: The EPOS Impact D 10 USB ML II headset on its charging base, illustrating its compact and tidy design suitable for various workspaces.
Troubleshooting
If you encounter issues with your EPOS Impact D 10 USB ML II headset, please consider the following common troubleshooting steps:
- No Audio/Microphone Not Working:
- Ensure the headset is properly docked and charged.
- Verify the USB cable is securely connected to both the base station and your PC/softphone.
- Check your PC/softphone audio settings to ensure the EPOS headset is selected as the default input and output device.
- Confirm the microphone is not muted on the headset.
- Poor Wireless Range/Connection Drops:
- Reduce the distance between the headset and the base station.
- Minimize obstructions (walls, large metal objects) between the headset and base station.
- Avoid placing the base station near other wireless devices that may cause interference.
- Headset Not Charging:
- Ensure the headset is correctly seated on the magnetic charging interface.
- Check the USB cable connection to the base station and power source.
- Try a different USB port or power adapter.
For more detailed troubleshooting or persistent issues, please consult the full user manual or contact EPOS customer support.
Specifications
| Model Name | Impact D 10 USB ML II |
| Item Model Number | 1000999 |
| Connectivity Technology | Wireless (DECT) |
| Wireless Range (Office) | Up to 55 m / 180 ft |
| Wireless Range (Line of Sight) | Up to 180 m / 590 ft |
| Talk Time | Up to 12 hours |
| Charging Time | Fast Charging (50% in 20 minutes) |
| Microphone | Noise-Cancelling |
| Headphones Jack | USB |
| Item Weight | 2 ounces (approx. 57 grams) |
| Product Dimensions | 8.12 x 6.12 x 2.62 inches |
| Ear Placement | On Ear |
| Form Factor | On Ear |
| Control Type | Touch Control, Voice Control |
| Compatible Devices | Computers, Laptops, Softphones |
Warranty and Support
EPOS products are designed for durability and performance. For specific warranty information, please refer to the warranty card included in your product packaging or visit the official EPOS website. If you require technical assistance, support, or have questions regarding your headset, please contact EPOS customer service directly through their official channels.
Additional protection plans may be available for purchase from authorized retailers.





