Cisco Desk Phone 9841

3.5-inch Grayscale LCD, 384 x160 resolution, backlitPhysical Line Keys: 4Maximum of supported line and programmable line keys: 4Support backlit indicator for the physical buttons of Speakerphone, Headset and Mute, Select as well as the line keysWideband-capable audio handset (connects through the phone’s dedicated handset RJ-9 port)ADA-compliantFull-duplex speakerphone provides flexibility in placing and receiving calls handsfreeOne USB-A port: The USB-A port provides 0.25A power output at 5V or 1.25W under PoE, and 0.5A power output at 5V or2.5W when using the Cisco Power Adapter 3 (local power supply).2-port Cisco Ethernet switch allows for a direct connection to a 10/100/1000BASE- T Ethernet network