Bt response 75 digital answering machine !

i am selling a bt response 75 answering machine. features: call intercept,call screening,36 minute digital recording,call counter,time and day stamp,audible message alert,voice prompts,vip facility,call return 1471,memo facility,selective delete,play pause skip forward and backwards,pre-recorded outgoing message,remote switch on,variable amswer delay,voice prompts,volume control...... never been used still in box,box little dirty but everything inside perfect.. thanks!!