Name：digital recording pen 稵ype：DVR_556Dtype 稴pecification：4hours/8hours/16hours/32hours 稢olour：sliver mix with white Nami panel 稸olume：100mm*29mm*16mm 稺eight：33k Main functions： 種ami glassy panel of the unit,advanced,enduring 稸oice controll recording：Four recording modes for quality selection(24ktone,16ktone,6.4ktone,4.8ktone)the longest recording time is 1840 minutes 稭p3 music enjoyment 稸oice repeating 稢lock function(display hour/minute for 24 hour kind)clock alarming and voice recording according to the setted time 稵ransmission by USB.Files can upload to the computer to play or keep for ever 稲ecording the telephone conversation 稡uilt-in highly sensitive microphone and loudspeaker 稵wo same units allow information transmission with each other and share the resource 稟ccessories： USB cable,earphone,driving CD,necklace-shaped rope,operation manul,guarantee card,telephone recording adapter(choose),adapter connecting cable(choose),phone recording cable(choose),ext microphone(choose)