Features 1、Plug and play, portable, suitable for singing, speech, outdoor performance on various occasion. 2、The maximum distance can up to about 50 meters, without delay and anti‑interference, especially suitable for short video recording, outdoor interviews. 3、No need to download APP, plug and play, no delay. 4、Universal wireless lavalier microphone, no noise, anti&#8209;interference, anti&#8209;howling. 5、Professional manufacturing, stable performance and high reliability. Specification Condition: 100% brand new Item type: One for One Wireless Microphone Material: plastic Color: black Weight: Approx. 211g Frequency range: UHF610-675 MHZ Frequency response: 75HZ~18kHZ±3 dB Total harmonic distortion: <1.0% SNR (Signal to Noise Ratio): >98dB Transmission distance: about 50 meters Frequency stability: ±0.005% (-10~50°C) Life time: about 10h Power supply battery: 4 x AA battery(not included) Package List 1 x Transmitter 1 x Receiver 1 x Microphone 1 x Instruction