Wireless Dvr Pen,CCTV camera,USB Pen camera, Pen+Audio+Video+USB 4GB,play back in PC,widely used in lawer,police,student,businessman

1.the world's micro dvr ,hidden in a pen inside,record audio and video 2.high sensitivity of the microphone,within the fifteen square meter,3.high definition camera effects,for the public security surveilance.4.smooth ball point pen to write,beautiful shape, smooth writing .5.apply to any computer with usb interface and other electronic equipment. 6.usb2.0 standard interface,no driver,no external power supply.