Power switch The switch can be turned on and off to charge the battery.
The indicator light is red/green LED, the green light blinks slowly if the startup fails to match the code, and the green light is steady on if the code is paired successfully. When the microphone is silent, the red light is steady on. When the microphone is silent, the red light is off in normal state.
2.4G transmitter It is connected through the USB port on the PC Function Features 2.4G high-speed wireless connection, code free connection, barrier-free transmission distance of about 10M, can penetrate ordinary walls, - Supports the smallest transceiver in the industry - Support for USB1.1 protocol, compatible with USB2.0 protocol - High quality stereo sound quality, - Support WINDOWS98 and above versions, MAC and ANDROID operating systems
Product technical parameters : Frequency range::2.402-2.476GHZ SNR:1HZ-80DB Channel sound interval:2MHZ The sending and receiving distance10M Transmitted power:-9dbm Acceptance sensitivity:-84DBM Sampling rate::48KHZ,16BIT Lithium battery:3.7V,1000MA Transmitter power consumption:5V/120mA; The receiver power consumption:3.7V / 85mA Charging duration:2.5 H Working time:8H Horn diameter:?40 Horn impedance:32 Horn power:20MW Horn frequency response:20HZ~20KHZ Mute diameter:?6.0 Mute Sensitivity:-58DB+/-3DB Mute Frequency response:10~16K