the chinese gadget manufacturer ajoka offers a buckle DVR, with built-in micro camera and sound, which is said to ‘give you the ability to perform personal investigation, conduct secret video surveillance or for any ideal covert operation where gathering evidence is important’. it measures 2.54×1.47×0.60″ and is supporting microSD cards from 128MB to 2GB to store video. video shoots are in 3GP video format with 176x144px resolution and 15fps. the battery life is 3 hours. it can be charged via USB. given the position of the camera lens, you have to ‘get lucky’ to actually get a face on video. via I4U