Yealink Wireless Conference Phone CP935W/W70B

CP935W-Base; Cordless SIP Conference Phone System;CP935W & W70B Base Unit Package;Up to 20 simultaneous calls;Up to 10 DECT cordless handsets;Up to 10 SIP accounts;Support Opus audio codec;No Perception Upgrade;Wrapped with flannel;New UI;Linux;4-inch multi-touch screen with 480×800 resolution;One wireless BT expansion Mic CPW25-BT-Single(Optional)(pending);Built-in Battery;Up to 20-hour talk time;Up to 75-hour standby time in Wi-Fi mode, 167-hour standby time in DECT mode;Built-in Wi-Fi 2.4GHz/5GHz, 802.11a/b/g/n;Built-in Bluetooth 4.2;Built-in 6-Microphone Array for sound pickup;Optima HD Voice, Full Duplex Technology;20-Foot (6-Meter) and 360-Degree Microphone Pickup Range;5-Way Conference Call;Connect to PC via USB type C Port;Hybrid UC Meeting;Charging Cradle with PSU;