User Manual

- 3 - EN
 Support MONO and Stereo
 Support one-key mute, cut off non-essential audio recording at any time
 Support volume adjustment
 Support external microphone
Product Specification
 Longest transmission distance............................................................70m
 Built-in battery......................................................................Lithium battery
 Battery Capacity...........................................................................250mA/H
 Working time..............................................................................About 7hrs
 Charging power..........................................................................5V/200mA
 RF frequency................................................................................2400Mhz
 Transmit power..................................................................................14DB
 Audio gain.....................................................................................0-4Level
 Signal-to-noise ratio...........................................................................67DB
 Frequency Range............................................................20HZ---14.5KHZ
 Noise reduction grade.....................................................0--75Hz--150Hz
 Microphone.....................................................Capacitive Omnidirectional
 Receiving sensitivity...............................................................................-95DB
 Maximum output level...................................................................1.7Vp-p