The bt 7610 quad a premium set of digital cordlesss phones with nuisance call blocker the bt 7610 cordless phone boasts up to 12 hours of continuous talk time and dependable range for up to 300 m outdoor coverage so you39ll be able to chat to friends and family without worrying about signal drop out or battery failure the bt 7610 further benefits from an integrated hands free loudspeaker allowing you to keep busy whilst on the phone stay in touch if you39re away from home or busy