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...

The Z95G 4G audio monitor (audio bug) is and audio monitoring device with file upload to server, push notification. 20 hours continuous recording and upload to server 7 days voice trigger standby Voice range : 8 meter VoLTE live call...

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...

The GSM pen could be used as a pen in the meeting. hotel, classroom. public speech places. commercial, entertainment places and so on. It works as a normal pen with writing function. GSM frequency: 850/900/1800/1900Mhz Distance between GSM phone and...