Wireless Audio Transmitter

This Wireless Audio Transmitter with high sensitive microphone to transmit audio signal to the receiver with covert operation, the range is up to 500 meters, you just need plug a 3.5 jack earphone in the receiver socket to listen the surround of the transmitter, it is with best quality of the audio.
Features:
1, Effect range: 400~500 meters
2, Applicable for audio surveillance
3, Audio Output: 3.5mm jack
4, With volume adjust Button
Wireless Audio Transmitter Specification:
1, Output power: 200mw
2, operate range: 400~500 meters
3, Microphone range: 5~7 meters (Radius)
4, Working time: 4~5 hours
5, Charging time: 6~8 hours