1) Spy voice transmitting is a narrow pulse nanosecond transmitting a wireless signal technology is ideal for high-speed, short-distance wireless personal communications,
2) Spy voice transmitting 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
3) Low-power, low-cost, high reliability.
4) Features: Smart Sound Monitor function, a radius of 1000 meters listener, pickup 100 square meters, 48 hours long standby, support work while charging, support external audio listening, wireless audio monitoring, intelligent recording monitor
5) Charging power: DC 5V
6) Headset: YES
7) Frequency: 400MHz
8) Voice: Decibel 60
9) The transmitting and receiving distance: 500-1000m
10) To accept batteries work time: 48 hours
11) Transmitter battery work time: 24 hours
12) Battery type: High capacity polymer battery
13) TF Card: Max. 32G
Type of Packing: Color Box
Package Includes: Installation CD, USB Cable, User Manual, Travel Charger, Earphone