Interview Radio Microphone Video Wireless Conference Microphon The product is shipped based on the color or size of the main image of the product page. Automatic pairing, wireless transmission, automatic pairing, no obstacle connection within 50m, stable signalA number of dual-purpose equipment are widely equipped with plugs to adapt to different productsVolume adjustment solves your troubles. Is tuning too troublesome? Can't you hear me? Too loud? You only need a knob to solve the problem Ultra far reception 100m ultra far reception in an Perfect environment, it has a 100m long-distance stable reception signal, stable and constant frequencySuper long life built-in rechargeable lithium battery high quality polymer lithium battery strong lifeEnergy exchange mode: capacitivePointing properties: single pointing (supercardioid)Frequency response: 60 ~ 16000hzSensitivity: - 45dB ( 2dB)Output impedance: 200Power supply: DC 3VOther features: it can resist mobile phone and electromagnetic interferenceMaterial:ABScolour:blackPackage Contents:1 * wireless microphone (receiver)1 * wireless conference microphone (transmitter)1 * battery1 * charging data cableOnly the above package content, other products are not included.Note: Light shooting 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.