Description: 【High quality materials】: This Wireless Microphone Transmitter Receiver is made of high quality plastic materials with exquisite workmanship to ensure, stable, and high quality sound quality, allowing you to sound effects during speeches and performances. Plug and play, no delay, lossless sound quality. 【Multi function】: Our Mic Adapter has multiple functions, so you don't have to worry about cable restrictions, making it easier for you to perform or speak at a conference. 【Easy Installation】: High quality Microphone Wireless System is easy to install, you only need to connect the wired microphone to the transmitter, and then connect the audio equipment to the receiver, no other complicated steps are required. 【50 to 80m long distance transmission】: Microphone system, stronger and more stable signal reception, widely compatible with microphones, mixers, guitars, electronic keyboards, and other musical instruments. 【Automatic Frequency Pairing】: 500-980MHz/16 channels, 21bit 48kHz High sampling rate,automatic channel search/manual frequency tuning.     Specification: Frequency range: 500 to 980MHz Adjustable channel: 16 adjustable frequency points. Channel spacing: 0.5 to 2.5MHz Modulation method: DQPSK Frequency stability: ± 3PPM Frequency response: 40Hz to 20KHz Working range: 50 to 80M Working voltage: built in 37V, 800mAh lithium battery, use time 4-6 hours Size Chart: 9.5cm/3.74inch 10.5cm/4.13inch Package Includes: 1 set Wireless Microphone Transmitter Receiver Note: Please allow slightly errors due to manual measurement and different monitors.