S1 works as radio hanging rope type receiver / radio guide receiver for the listener.
It is the most economical model in our product range,
Matched with 310L (radio transmitter).
Frequency range: 2.4 Ghz; size: 79*59*10mm; weight: 15g; channel number: 99CH
Effective working distance: 150m; working time: 20 hours
Battery: lithium polymer battery; charging method: charging base and USB cable.
Accessories: microphone and hanging rope