Retekess Wireless Microphone Headset System with 1 TR503 Transmitter and 5 PR13 Portable FM Radio Receiver with Earphone for Church, Tour Guide, Training, Theater, Museum, School, Factory

Q:why the Sound is very weak
A:The sound not only depends on the mic volume but also depends on fm receiver volume.So please add the volume of microphone with pressing "+" once by once(Do NOT hold on ). And also please volume up fm receiver.If no sound after adjust the volume, the wireless maybe disconnected and please re-pair it via adjust transmitter and receiver to same frequency

Easy Operate
You just need to find a frequency,which there is no fm station,such as FM 94.4,then only need Adjust the receiver and transmitter in the same frequency via the front and back buttons

FM receivers with 5 presets
Special 5 station presets design used simultaneously without interference as Wireless FM Transmitter Receiver for Guided Tour Language Interpretation

Expandable & DIY
1 transmitter can pair up to Countless receivers. If you have more than one Tour guide or speech area you would like to add, just DIY and fulfill your needs

Wide Use
Perfect for teaching, tour guide, sales, speech, conference, meeting, karaoke,church translation,etc with High anti-interfering ability


Specification:
Wireless MIC
Volume control: 1-15 levels
Transmit power: ?10mW
Receive distance: ?30 meters (98ft)
Power supply: built-in 450mAh lithium battery
Charging time: 2-3 hours
Working time: about 8 hours
Weight: 50g

FM receiver
Sensitivity: <3.5uV
SNR: 45db
Earphone jack: 3.5mm
Built-in speaker:NO
Power supply: 2 x AAA batteries (not included)
Size: 92 x 54 x 15mm / 3.6 x 2.1x 0.6in
Weight: 40g / 0.09lb

Package Includes
1