The Yealink CP935W is a wireless touch-sensitive HD conference phone designed for small to medium conference rooms. The CP935W adopts an innovative design that perfectly matches the style of any conference room, It also features an acoustic fabric, which is impervious to any accidental liquid spills. Its fingerprint-proof LCD screen with a clear UI interaction page makes it easy for everyone to control the meeting. CP935W has a built-in battery and Wi-Fi, so it can be used cordlessly anywhere you have Wi-Fi access. The CP935W allows deployment without requiring a permanent power connection or an ethernet connection to provide a clean and uncluttered presentation. The CP935W has 6 built-in microphones, providing a clear and natural conference call experience. In addition, the CP935W can also be connected to mobile devices (such as a smart phone, personal computer, etc.) through Bluetooth or USB port to maximize all of your meetings. Connect the CP935W to one Bluetooth wireless microphone CPW25 to expand the sound pickup distance while still keeping the conference room neat and tidy.