Add handsfree wireless freedom by pairing with DECT phones for use at home- ideal for long conference calls or simply talking on the phone whilst cooking, etc. Range is up to 100meters In retail/ warehouse environment already equipped with DECT PBX, site-wide roaming is possible. The C65 offers flexibility of wearing style- so you chose what works for you. C70 is incredibly light, discrete and stylish. The C351N is very comfortable for intensive phone users,- and provides up to 9 hours talk time. All models include charger and offer call answer/end, Mute and volume controls.