6 Line AppearancesDual-port Gigabit EthernetYealink Optima HD Voice SupportedUp to 6 SIP accountsFull-duplex hands-free speakerphoneSupports Yealink E..
RITAR BatteryMaintenance free Ritar AGM RT1270, 12V-7Ah (RT1270) battery manufactured using AGM technology (electrolyte absorbed in a special porous s..