This GSM voice bug uses the GSM signal transmission method of operation. This device provides high quality sound and has a very small size, you can say almost equal to a matchbox which makes it highly portable. It has voice activation feature with the help of which you can turn the power of this device on or off. It can function both with and without voice commands. It can also be operated using a remote control.
|• Microphone: dual microphone design||• GSM: 900/1800/1900|
|• Battery: lithium battery|