G-MARK Twin x120v wireless karaoke recording microphone, portable microphone with portable receiver, easy to use for home party, wedding or church Portable wireless microphone system (1 receiver 2 microphones) for karaoke, party, DJ, business meetings, speech or other internal and external activities.

It adopts vhf frequency band (channel a: 256.9mhz; channel b: 253.4mhz), strong anti-interference.
A/d and d/a are used for 24-bit/48khz audio; using the ID code frequency to encrypt the data with frequency, which increases the stability of the connection.
With auto mute and shock elimination circuit to avoid impact and switching noise; extremely high collection sensitivity and excellent tone quality make your speech or singing clearer.
The wireless transmission distance is about 20 to 30 meters.
Material: metal plastic
System
Oscillator: dsp chip frequency blocking carrier
Frequency band: vhf (256.9mhz, 253.4mhz)
Digital audio transmission technology
Unique digital ID code pilot technology, 32-bit ID code, completely solves the same frequency crosstalk phenomenon.
Ultra-low audio delay.
Audio Sampling Mode: 48khz.
Frequency range: 50hz-18khz.
Receive automatic scan
Transmission distance of open environment theory: 20-30 meters

microphone type

capturing heart point
Frequency range 256.9mhz, 253.4mhz
RF bandwidth 60mhz
Frequency points 2
10mw transmission power
50hz-18khz frequency response
96db dynamic range
Harmonic radiation <-50dbc
Distortion <0.1%
Power supply mode 1200ma lithium battery (3.7v)

List of packages:

2 * microphone
1 * receiver
1* rechargeable lithium battery
2 * microphone drop ring
1 * usb cable
1*3.5mm Converter
1 * user manual