Mid-level phone, ideal for professionals and managers with moderate call load. 4.3" 480x272-pixel color display, fully adjustable HD Voice with Yealink Acoustic Shield technology. 10 line keys, 16 SIP accounts, 27 memory keys. Built-in Bluetooth, Wi-Fi. Dual-port Gigabit Ethernet. 1xUSB port for call recording and wireless USB headset. YEA-CP930W can be connected to the phones with the YEA-DD10K dect dongle. Power supply not included. Phone can work in dect mode with the addition of YEA-DD10K and YEA-W60B base and you will have 10 blf keys.