wireless audio Transmitter-receive recording pickup mic spy bug

Features: Smart Sound Monitor function, a radius of 500 meters listener, pickup 100 square meters, 40 hours long standby, support work while charging, support external audio listening, wireless audio monitoring, intelligent recording monitor.
W-04 is a narrow pulse nanosecond transmitting a wireless signal technology is ideal for high-speed, short-distance wireless personal communications, W-04 has a very strong ability of anti-multipath interference
Especially suitable for indoor complex environment to ensure high sensitivity pickup to provide users with highly reliable wireless transmission environment. Low-power, low-cost, high reliability.
For TV stations unannounced visits, investigation and evidence collection, anti-counterfeiting Trade and Industry Bureau, Bureau of Quality Supervision, do the rectification, the public security bureau forensics, law firms, the Anti-Corruption Bureau, the courts.
CW-04 miniature wireless audio Transmitter-receive recording high sensitivity pickup mic spy bug