FCC certified. FCC ID:2AAR8T130; Stable signal; tour guide system transmitter adopts PLL synthesized design; with high frequency stability; less signal interfaces or statics; provides a clear; static-free transmission; Note; It can only be used with the receiver of Retekess T130

Easy to use; one way of ID setting methods; wireless and manual setting; if you have to set the ID for many receivers; the wireless ID setting method is more quickly; reduce your workload effectively

Built in rechargeable battery; 900mAh lithium battery; it can last long hours upon full charge; with LCD display and battery consumption display; no any delay with your work

Lavalier microphone release your hands; light weight; compact design; 58g net weight; easy to handhold; long lanyard design for the transmitter; can be hang on neck; long enough cable for the microphone easy to put into your pants pocket

Support maximum 99 channels; allows 99 groups to operate simultaneously at the same place in the range; over 197-feet (60m) operating range in open areas or 95-feet (30m) with obstacles; can work well for church or tour guide use

Standard 3.5mm jack; wireless voice transmission system use a 3.5mm headphone jack to connect a microphone or headphones, so you can also choose to use your own headphones or microphone; you can also use your own AUX cable to connect the transmitter and some external audio devices to get an external audio experience