The Yealink CP935W provides wireless group communication in the office - professional. The CP935W is a Wi-Fi or DECT conference phone designed for small and medium-sized rooms. The six-microphone array covers 360 ° to 20 feet - with Optima HD and Noise Proof technology for crystal clear sound. The conference phone has a 4-inch touchscreen that makes it easy for everyone to use. The CP935W is a modern conference phone with a tailored style - an acoustic fabric that is also used to repel accidental spills. It has a large 7800 mAh battery that provides up to 20 hours of talk time. The conference phone natively supports Bluetooth technology - connect your mobile devices for a hybrid UC meeting. With support for 5-way conference calling, the CP935W streamlines office collaboration. If you need a greater range than 20 feet, use the Yealink CPW25 wireless microphone (not included). The package includes a charging stand. The Yealink CP935W-Base comes with the Yealink W70B IP Base Station. This professional base station connects the conference phone to the IP telephony system while using the telephone in DECT mode. If you want to connect directly, you can use your phone in Wi-Fi mode, in which case you don't need to use the base station. Full Specification: CP395W-base