GSM module with a listening voice and shock sensor   (ID: B32)

Buying this product will get you:
- a device with voice activation with extremely small size;
-Microphone sensitivity adjustable;
-filtering of incoming calls (only certain phones can be connected) ;
-control through SMS-the functions of the device;
-you will receive a call or message while activating the sensor;
-simple to operate device to insert the card and you can use it;
-with built-in stereo jack you can use it as a means of secret communication - plug in a headset and a snare;
-built battery 550 mAh, which allows about 2 hours talk time or 2-3 days of standby time.