With speakerphone built in base, ideal device for conference call. Phone's 160 foot (50 meter) radio range enables you to talk away from computer. Fashionable look and human design. Large graphic LCD with blue back light. Possible working distance up to 50m. Contact list and calling history in any language easily reviewed on handset. Caller ID funtion. Base working as charging station for handset. Noise reduction and digital echo cancellation. Both base and handset ringing for all incoming calls. Auto-selected RF channel for improved voice quality.