Retekess PR13 Portable FM Radio, Wireless Microphone Headset System with 1 TR503 Transmitter and 10 PR13 FM Radio Receiver, Lock Key for Walking, Jogging, Church

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. Package Includes: 1X Microphone. 10XFM receiver. 10X Earphone. 10X Lanyard.

• The headset wireless microphone transmitter can transmit FM signals within 30 meters; and can work with multiple FM receivers at the same time; as long as the transmitter and receiver have the same frequency; with 15-level emission; good sound quality; can reduce noise and prevent howling
• The FM receiver uses DSP technology to improve the signal receiving sensitivity of the radio; at the same time; it is equipped with headphones that can be used as an antenna for better reception; with a 24-hour clock and a lock key to prevent accidental operation
• FM receiver shell is made of high-quality ABS material and yake oil with fine workmanship;strong shock and fall resistance ability; operated by 2XAAA batteries (not included); changing the battery is more convenient
• Light weight and strong portability; the wireless microphone weighs only 1.76oz; and there is no obvious discomfort on the head; the FM receiver is only 3.6x2.1x0.6 inches and weighs 0.09 pounds; it is very easy to carry; the transmitter also has a hand strap for easy carrying; hang on your hand or on your chest
• Large LCD screen;built-in double 16-bit mirror converter with low audio distortion output;when receiving the stations; please extend the earphone cable as long as possible to get radio signal