Lensgo LWM 328c one with two

Lensgo LWM-328C UHF 100-Channel Wireless Microphone System with One Receiver and Two Transmitter,Internal TF card back up recording to prevent missing Audio files 

Features:
1.Broadcast-quality audio with Internal TF memory card back up recording ， say goodby to the missing audio file
2.Up to 100 UHF free Channels，Working distance up 150 meters/492ft(no obstacle)
3.Infrared pairing function to realize the channel seamless connection
4.Monitoring Sound with 3.5mm headphone (Receiver)，XLR Cable included
5.Powered by 2*AA Battery and support type-c charge，Up to 8 hours of battery life

Specification
Frequency range: 520MHz ~ 590MHz
Channels: 100 channels
Frequency response: 60 ~ 17KHz 
Effective Distance: 150 meters(No obstacle)
Antenna: SMA omnidirectional antenna
Audio interface: 3.5mm TRS interface
Signal to noise ratio: ≥75dB
Sound delay: <1mS
Spurious suppression: -60dB
Recording sampling rate: 16bit 48K/noise reduction/low cut
Max TF memory card : max support of 32G (TF memory card not included )
Power: Two AA batteries
battery Life time: 8H