General
Battery capacity	1100 mAh
Battery runtime	18 Stunde(n)
Microsoft Teams certified

The EPOS EXPAND 40T is a wireless audio conferencing system designed for mobile and flexible use in meetings. The device features a slim, minimalist design with a round shape, seamlessly integrating into various work environments. It functions as a Bluetooth speakerphone, enabling crystal-clear audio transmission, with participants' voices isolated from room echo and ambient noise. The integrated technology ensures optimal voice capture and clear playback on both sides of the connection.

Applications
This device is suitable for mobile conferences, particularly in offices, meeting rooms, or while traveling. It is ideal for small to medium-sized groups where clear communication without interference is essential. Its portable design and integrated battery technology allow usage without constant power supply. Certification for Microsoft Teams ensures seamless integration with the platform, with a dedicated Teams button simplifying operation.

Functions and Equipment in Detail
The EXPAND 40T features three integrated Beamforming microphones that specifically capture voice signals and reduce background noise. This technology enables clear separation between speakers and ambient noise, particularly beneficial in noisy environments. The full-duplex function allows simultaneous speaking and listening, ensuring uninterrupted communication. The device supports multiple connection options, including Bluetooth and USB-C, enabling plug-and-play integration with various systems.

Technology Explained Simply
Power is supplied by an internal lithium-polymer battery with a capacity of 1100 mAh and a voltage of 3.7 V. The battery life lasts up to 18 hours, allowing extended use without recharging. The battery energy is 4.07 Wh. Connectivity is via Bluetooth, with NFC technology also supported to simplify pairing. Connection is made via USB-C, representing a modern and universally applicable interface.

Compatibility and Accessories
The device is certified for Microsoft Teams and can be directly integrated into the platform. It is delivered with a Bluetooth adapter BTD 800 USB-C, enabling connection to computers and other devices. Additionally, a USB-C to USB-A adapter is included to ensure compatibility with older devices. The delivery also includes a carrying case, a quick start guide, safety instructions, and a datasheet.

Installation and Mounting
Installation is performed via plug-and-play methods. When using Bluetooth, the device is connected to the endpoint via NFC or manual pairing. When using USB-C, the device is directly connected to the computer. Operation is performed via physical buttons, including the dedicated Teams button, which facilitates access to the platform.

Operational Advantages
The combination of portable design, long battery life, and high audio quality makes the EXPAND 40T a flexible tool for mobile conferences. The integrated Beamforming microphones ensure clear voice transmission, even in disruptive environments. Support for Microsoft Teams and easy installation via USB-C or Bluetooth enhances user-friendliness. The inclusion of a Bluetooth dongle and a USB adapter expands compatibility with various devices.