FCC ID:2AAR8TT122; Adopt aluminum alloy shell and metal outside unit; simple connection for DIY operation; Anti-interference and noise-free function
Both inside and outside unit have speaker and microphone; and the internal Mic jack can use TT123 wireless microphone to achieve freedom of movement within 164ft range
The two-way voice intercom communications technology; automatic identification of processing speech signals during a call does not require any action; suitable for the bank securities company hospital station ect
2.4G Wireless Mic; TT123 wireless microphone headset adopts global universal 2.4 GHz transmission; connect automatically within 3.2ft
Wide Compatibility; voice amplifier;home stage speakers; portable PA system; mixer( with 6.35mm mic jack); FM transmitter;Not supported phone;laptop;bluetooth speakers