Whisper wireless radio tour guide system earphone receiver 915R for training interpreting conference tour visitors

Function：

915R works as radio receiver. 

Paired with 813TM (transmmitter).

Parameters:

Carrier Frequency: 2.4 GHz; channel numbers: 199;

Working time: 50 hours; battery: lithium polymer battery, 1000mAh;

Charging method: charging base and USB cable.

Working distance: 150 - 200 meters; machine size: 50*26*14mm; weight: 47g;

Accessories: earphone and lanyard.