Digital Wireless Encrypted Audio Transmission Device
Digital Wireless Encrypted Audio Transmission Device, equipped with a digital encryption mechanism,
can effectively prevent third parties from intercepting the signal. The signal transmission can reach three to four stories when used indoor and up to 400 meters when used outdoor ( unshielded).
The audio transmitter (microphone built-in) is small in size and can be easily carried around without being noticed. The standard battery lasts up to two hours and can be changed according to different needs.