Jacob Jensen Banng & Olufsen Telephone 80 DECT 12 hours talk time and 7 days standby with intelligent charge (Li-Ion battery) Range: Up to 50 m indoor, 300 m outdoor GAP compatible supporting up to 6 handsets  DECT European version and DECT 6.0 US version Caller ID, phonebook with 100 memory locations Last number redial, Clear 4-line display with backlight 7 polyphonic designed ringtones, Alarm call and date reminder, room monitor