... widen area Long Distance Wireless Audio Bug (GSM BUG22)The BUG22 professional wireless audio frequency transport of GM Series ... to scene monitor and wirelss audio transmission,such as security monitoring system,hidden interview,audio-visual eduction,tourism,amusement, ... on the characteristics mentioned above. Package List:1*Audio Transmitter1*Audio Receiver 1*User manual-English 1*Power Adapter(100 ...