... , digital Recorder2, MP3 player3, flash drive4, Wirte pen, lead replaceable5, listen to FM radio6, is the ... entire product length as same only ball-point pen.A pen is on four function keys, be used ... be 0.6 mm writing lead the black ink refill ink, lead YuanZhu finished using the replaceable lead ... .A Voice recorder enclosure for metal shell, the pen ...