http://www.omejo.com/

Description:

This funtastic spy belt buckle camcorder & dvr built in 4 GB memory inside. unbelievable this model controlled by induction ring . Take the induction ring near the induction point for 1 second, the dvr will turn on. then 1 second again, will begin recording. so easy to operate. by the USB connection you can check the recorded file on your PC anytime. 

 
Specification:
 
1)Dimension:71mmX5mmX1mm
2)Weight:13.5g
3)It is the chewing gum size recorder promoted model. the lens is button.
4)Resolution: 352*288
5)Realtime recording in avi video format
6)Color video with voice .
7)Built in rechargeble battery and 4GB flash memory inside.
8)Also can use micro SD card from128MB to 4GB to expond the memory.
9)Playback video on cell phone or PC
Camera Technical Parameter
Video Compression: AVI video format,352??88
Voice recording:Yes
Internal Memory:4GB
Video File size:>4MB per minute
Recording Mode:Continuous recording until memory is full or manuallly off
Adaptor Type:USB adaptor charging cable
Record Time:Up to 2 hours.