UHF adjustable frequency microphone, effectively preventing cross-frequency phenomenon Plug and play without setting, the receiver can be connected to the audio or the 6 5mm microphone interface of the sound card and it can be used UHF signal transmission, stable signal, strong anti-interference ability 10-100 meters receiving distance (depending on the environment) Adopt professional dynamic microphone core, restore life, make the output sound clear and pleasant Receiver built-in lithium battery TYPE-C fast charging interface can be charged anytime, anywhere, no need to replace the battery, more environmentally friendly and more economical Type: MicrophoneBuilt-in battery capacity: 500mAh-800mAhBattery life: 6-8 hoursSignal-to-noise ratio: 70dbFrequency response range: 100HZ-20KHZMaterial: Metalcolour: silver greyPackage Contents:1 x Receive host2 x Handheld Microphone2 x anti-skid Ring1 x Charging Cable1 x English ManualOnly the above package content, other products are not included Note: Light and different displays may cause the color of the item in the picture a little different from the real thing The measurement allowed error is +/- 1-3cm