So Mini Worlds Smallest Camera! (Size: 27x26x26mm). But it can take clear video, audio and photos. So lovely design excellent as a gift. 

Specifications:

Video Format :AVI
Video Code :M-JPEG
Video Resolution :640*480
Software :Operationg system or the mainstream audio and video playback software
Picture Mode :JPG
Picture Resolution:1280*1024
System :Windows me/2000/xp/2003/vista?Mac os 10.4?Linux?
Recharge Voltage :DC-5V
Data Transfer Interface :USB cable
Memory Card : TF,Micro SD,Up to 32GB(TF card is not included)
Size :27x26x26mm
Weight: 11g
Battery :High capacity lithium polymer battery

Package:

1 x Mini camera
1 X USB cable
1 X Belt
1 X user manual