Voice Activated Digital Audio Voice Recorder Bracelet Wrist Watch MP3 Player.  This audio and video recorder can be worn every day, as it is a functional watch. It is sweat and waterproof and will capture your audio and video files...

Besides their obvious importance in communication and business, did you know that  they also create numerous threats of information leakage? One of the potential leakage channels is the phone's microphone being able to pick up surrounding acoustics with a high...

Le stylo GSM pourrait être utilisé comme stylo dans la réunion. hôtel, salle de classe. lieux de parole publique. commerciaux, lieux de divertissement et ainsi de suite. Il fonctionne comme un stylo normal avec fonction d'écriture. Fréquence GSM : 850/900/1800/1900 Mhz Distance...