AT&T DECT 6.0 digital cordless headset with handset lifterDECT 6.0 technologyUnsurpassed range, up to 500 feetExtended battery life: 12 hours talk timeDSP enhanced sound quality using SRS licensed technologyLightweight/comfortable designWorks with analog corded or cordless single line phoneCompatible with multi-line business systemExpandable to 2 headsets (uses TL7600)Sound level protectionConference capability up to 2 headsetsMultiple connection options: headset port and PSTN in parallelElectronic hook switch (EHS) capableAdjustable volumeMuteMulti wearing style -over the ear, over the head or behind the neck styleHandset lifter included (TL7000)Silver/blackATTTL7611