Name: digital recording pen *Type: DVR-556A type *Specification: 4hour/8hour/6hour/32hour *Colour: silver white/pear white/red /purple blue *Measurement: 105mm*29mm*16mm *Net weight: 30.5g Main functions: *Voice controll recording: Four-recording modes for quality selection(24K tone,16K tone, 4.K tone, 16K tone),the logest recording time is 1840 min. *MP3 enjoy music *Voice reading-after *With clock function(can indicate hour/min for 24 hour),timing alert and recording function. *Transmission via USB or serial port *Recording function for telephone conversation *Built-in high-sensitive microphone and speaker *Two same units allow information transmission to each other and resource share Accessories: *USB cable, earphone, driving CD, necklace-shaped rope, operating manual,guarantee card.,telephone recording adapter (choose),,adapter connecting cable (choose),phone cable (choose),ext mic (choose).